diff --git a/pkg/codegen/assets/store_rdbms.gen.go.tpl b/pkg/codegen/assets/store_rdbms.gen.go.tpl
index 4ab48704d..d07980eea 100644
--- a/pkg/codegen/assets/store_rdbms.gen.go.tpl
+++ b/pkg/codegen/assets/store_rdbms.gen.go.tpl
@@ -281,7 +281,7 @@ func (s Store) Search{{ pubIdent $.Types.Plural }}(ctx context.Context, f {{ $.T
 	{{ end -}}
 	)
 
-	return set, f, fetch()
+	return set, f, s.config.ErrorHandler(fetch())
 }
 {{ end }}
 
@@ -309,7 +309,7 @@ func (s Store) Create{{ pubIdent $.Types.Singular }}(ctx context.Context, rr ...
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.{{ $.Types.Singular }}Table()).SetMap(s.internal{{ pubIdent $.Types.Singular }}Encoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -319,7 +319,7 @@ func (s Store) Create{{ pubIdent $.Types.Singular }}(ctx context.Context, rr ...
 
 // Update{{ pubIdent $.Types.Singular }} updates one or more existing rows in {{ $.RDBMS.Table }}
 func (s Store) Update{{ pubIdent $.Types.Singular }}(ctx context.Context, rr ... *{{ $.Types.GoType }}) error {
-	return s.PartialUpdate{{ pubIdent $.Types.Singular }}(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdate{{ pubIdent $.Types.Singular }}(ctx, nil, rr...))
 }
 
 // PartialUpdate{{ pubIdent $.Types.Singular }} updates one or more existing rows in {{ $.RDBMS.Table }}
@@ -343,7 +343,7 @@ func (s Store) PartialUpdate{{ pubIdent $.Types.Singular }}(ctx context.Context,
 					{{- end -}}
 			).Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -361,7 +361,7 @@ func (s Store) Remove{{ pubIdent $.Types.Singular }}(ctx context.Context, rr ...
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Delete(s.{{ $.Types.Singular }}Table({{ printf "%q" .RDBMS.Alias }})).Where({{ template "filterByPrimaryKeys" $.Fields }},))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -372,19 +372,19 @@ func (s Store) Remove{{ pubIdent $.Types.Singular }}(ctx context.Context, rr ...
 
 // Remove{{ pubIdent $.Types.Singular }}By{{ template "primaryKeySuffix" $.Fields }} removes row from the {{ $.RDBMS.Table }} table
 func (s Store) Remove{{ pubIdent $.Types.Singular }}By{{ template "primaryKeySuffix" $.Fields }}(ctx context.Context {{ template "primaryKeyArgs" $.Fields }}) error {
-	return ExecuteSqlizer(ctx, s.DB(), 	s.Delete(s.{{ $.Types.Singular }}Table({{ printf "%q" .RDBMS.Alias }})).Where({{ template "filterByPrimaryKeysWithArgs" $.Fields }},))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), 	s.Delete(s.{{ $.Types.Singular }}Table({{ printf "%q" .RDBMS.Alias }})).Where({{ template "filterByPrimaryKeysWithArgs" $.Fields }},)))
 }
 
 
 // Truncate{{ pubIdent $.Types.Plural }} removes all rows from the {{ $.RDBMS.Table }} table
 func (s Store) Truncate{{ pubIdent $.Types.Plural }}(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.{{ $.Types.Singular }}Table())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.{{ $.Types.Singular }}Table()))
 }
 
 
 // ExecUpdate{{ pubIdent $.Types.Plural }} updates all matched (by cnd) rows in {{ $.RDBMS.Table }} with given data
 func (s Store) ExecUpdate{{ pubIdent $.Types.Plural }}(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), 	s.Update(s.{{ $.Types.Singular }}Table({{ printf "%q" .RDBMS.Alias }})).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), 	s.Update(s.{{ $.Types.Singular }}Table({{ printf "%q" .RDBMS.Alias }})).Where(cnd).SetMap(set)))
 }
 
 // {{ $.Types.Singular }}Lookup prepares {{ $.Types.Singular }} query and executes it,
diff --git a/store/errors.go b/store/errors.go
index 688f87389..c6fc349e9 100644
--- a/store/errors.go
+++ b/store/errors.go
@@ -15,10 +15,16 @@ func (e *storeError) Unwrap() error {
 	return e.err
 }
 
+func (e *storeError) Wrap(err error) error {
+	e.err = err
+	return e
+}
+
 var (
-	ErrNotFound = &storeError{msg: "not found"}
+	ErrNotFound  = &storeError{msg: "not found"}
+	ErrNotUnique = &storeError{msg: "not unique"}
 )
 
-func Error(msg string, err error) error {
+func WrappedError(err error, msg string, a ...interface{}) error {
 	return &storeError{msg, err}
 }
diff --git a/store/mysql/mysql.go b/store/mysql/mysql.go
index 2a90bf62a..4ecffb3f5 100644
--- a/store/mysql/mysql.go
+++ b/store/mysql/mysql.go
@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 	"github.com/Masterminds/squirrel"
+	"github.com/cortezaproject/corteza-server/store"
 	"github.com/cortezaproject/corteza-server/store/rdbms"
 	"github.com/go-sql-driver/mysql"
 	"go.uber.org/zap"
@@ -26,6 +27,7 @@ func New(ctx context.Context, dsn string) (s *Store, err error) {
 
 	cfg.PlaceholderFormat = squirrel.Question
 	cfg.TxRetryErrHandler = txRetryErrHandler
+	cfg.ErrorHandler = errorHandler
 
 	s = new(Store)
 	if s.Store, err = rdbms.New(ctx, cfg); err != nil {
@@ -105,3 +107,18 @@ func txRetryErrHandler(try int, err error) bool {
 
 	return false
 }
+
+func errorHandler(err error) error {
+	if err != nil {
+
+		if implErr, ok := err.(*mysql.MySQLError); ok {
+			// https://www.fromdual.com/de/mysql-error-codes-and-messages
+			switch implErr.Number {
+			case 1062: // Can't write, because of unique constraint, to table '%s'
+				return store.ErrNotUnique.Wrap(implErr)
+			}
+		}
+	}
+
+	return err
+}
diff --git a/store/pgsql/pgsql.go b/store/pgsql/pgsql.go
index dbec8969a..7acfc216d 100644
--- a/store/pgsql/pgsql.go
+++ b/store/pgsql/pgsql.go
@@ -4,8 +4,9 @@ import (
 	"context"
 	"fmt"
 	"github.com/Masterminds/squirrel"
+	"github.com/cortezaproject/corteza-server/store"
 	"github.com/cortezaproject/corteza-server/store/rdbms"
-	_ "github.com/lib/pq"
+	"github.com/lib/pq"
 	"go.uber.org/zap"
 	"net/url"
 	"strings"
@@ -25,6 +26,7 @@ func New(ctx context.Context, dsn string) (s *Store, err error) {
 	}
 
 	cfg.PlaceholderFormat = squirrel.Dollar
+	cfg.ErrorHandler = errorHandler
 
 	s = new(Store)
 	if s.Store, err = rdbms.New(ctx, cfg); err != nil {
@@ -68,3 +70,16 @@ func ProcDataSourceName(dsn string) (c *rdbms.Config, err error) {
 		DBName:         strings.Trim(u.Path, "/"),
 	}, nil
 }
+
+func errorHandler(err error) error {
+	if err != nil {
+		if implErr, ok := err.(*pq.Error); ok {
+			switch implErr.Code.Name() {
+			case "unique_violation":
+				return store.ErrNotUnique.Wrap(implErr)
+			}
+		}
+	}
+
+	return err
+}
diff --git a/store/rdbms/actionlog.gen.go b/store/rdbms/actionlog.gen.go
index a08b4ed91..a10c4e6db 100644
--- a/store/rdbms/actionlog.gen.go
+++ b/store/rdbms/actionlog.gen.go
@@ -188,7 +188,7 @@ func (s Store) SearchActionlogs(ctx context.Context, f actionlog.Filter) (action
 		}
 	)
 
-	return set, f, fetch()
+	return set, f, s.config.ErrorHandler(fetch())
 }
 
 // CreateActionlog creates one or more rows in actionlog table
@@ -201,7 +201,7 @@ func (s Store) CreateActionlog(ctx context.Context, rr ...*actionlog.Action) err
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.ActionlogTable()).SetMap(s.internalActionlogEncoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -211,7 +211,7 @@ func (s Store) CreateActionlog(ctx context.Context, rr ...*actionlog.Action) err
 
 // UpdateActionlog updates one or more existing rows in actionlog
 func (s Store) UpdateActionlog(ctx context.Context, rr ...*actionlog.Action) error {
-	return s.PartialUpdateActionlog(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdateActionlog(ctx, nil, rr...))
 }
 
 // PartialUpdateActionlog updates one or more existing rows in actionlog
@@ -229,7 +229,7 @@ func (s Store) PartialUpdateActionlog(ctx context.Context, onlyColumns []string,
 				squirrel.Eq{s.preprocessColumn("alg.id", ""): s.preprocessValue(res.ID, "")},
 				s.internalActionlogEncoder(res).Skip("id").Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -247,7 +247,7 @@ func (s Store) RemoveActionlog(ctx context.Context, rr ...*actionlog.Action) err
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ActionlogTable("alg")).Where(squirrel.Eq{s.preprocessColumn("alg.id", ""): s.preprocessValue(res.ID, "")}))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -257,17 +257,17 @@ func (s Store) RemoveActionlog(ctx context.Context, rr ...*actionlog.Action) err
 
 // RemoveActionlogByID removes row from the actionlog table
 func (s Store) RemoveActionlogByID(ctx context.Context, ID uint64) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ActionlogTable("alg")).Where(squirrel.Eq{s.preprocessColumn("alg.id", ""): s.preprocessValue(ID, "")}))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ActionlogTable("alg")).Where(squirrel.Eq{s.preprocessColumn("alg.id", ""): s.preprocessValue(ID, "")})))
 }
 
 // TruncateActionlogs removes all rows from the actionlog table
 func (s Store) TruncateActionlogs(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.ActionlogTable())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.ActionlogTable()))
 }
 
 // ExecUpdateActionlogs updates all matched (by cnd) rows in actionlog with given data
 func (s Store) ExecUpdateActionlogs(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Update(s.ActionlogTable("alg")).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Update(s.ActionlogTable("alg")).Where(cnd).SetMap(set)))
 }
 
 // ActionlogLookup prepares Actionlog query and executes it,
diff --git a/store/rdbms/applications.gen.go b/store/rdbms/applications.gen.go
index 7807d9f5e..02f8a8985 100644
--- a/store/rdbms/applications.gen.go
+++ b/store/rdbms/applications.gen.go
@@ -219,7 +219,7 @@ func (s Store) SearchApplications(ctx context.Context, f types.ApplicationFilter
 		}
 	)
 
-	return set, f, fetch()
+	return set, f, s.config.ErrorHandler(fetch())
 }
 
 // LookupApplicationByID searches for application by ID
@@ -241,7 +241,7 @@ func (s Store) CreateApplication(ctx context.Context, rr ...*types.Application)
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.ApplicationTable()).SetMap(s.internalApplicationEncoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -251,7 +251,7 @@ func (s Store) CreateApplication(ctx context.Context, rr ...*types.Application)
 
 // UpdateApplication updates one or more existing rows in applications
 func (s Store) UpdateApplication(ctx context.Context, rr ...*types.Application) error {
-	return s.PartialUpdateApplication(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdateApplication(ctx, nil, rr...))
 }
 
 // PartialUpdateApplication updates one or more existing rows in applications
@@ -269,7 +269,7 @@ func (s Store) PartialUpdateApplication(ctx context.Context, onlyColumns []strin
 				squirrel.Eq{s.preprocessColumn("app.id", ""): s.preprocessValue(res.ID, "")},
 				s.internalApplicationEncoder(res).Skip("id").Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -287,7 +287,7 @@ func (s Store) RemoveApplication(ctx context.Context, rr ...*types.Application)
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ApplicationTable("app")).Where(squirrel.Eq{s.preprocessColumn("app.id", ""): s.preprocessValue(res.ID, "")}))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -297,17 +297,17 @@ func (s Store) RemoveApplication(ctx context.Context, rr ...*types.Application)
 
 // RemoveApplicationByID removes row from the applications table
 func (s Store) RemoveApplicationByID(ctx context.Context, ID uint64) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ApplicationTable("app")).Where(squirrel.Eq{s.preprocessColumn("app.id", ""): s.preprocessValue(ID, "")}))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ApplicationTable("app")).Where(squirrel.Eq{s.preprocessColumn("app.id", ""): s.preprocessValue(ID, "")})))
 }
 
 // TruncateApplications removes all rows from the applications table
 func (s Store) TruncateApplications(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.ApplicationTable())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.ApplicationTable()))
 }
 
 // ExecUpdateApplications updates all matched (by cnd) rows in applications with given data
 func (s Store) ExecUpdateApplications(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Update(s.ApplicationTable("app")).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Update(s.ApplicationTable("app")).Where(cnd).SetMap(set)))
 }
 
 // ApplicationLookup prepares Application query and executes it,
diff --git a/store/rdbms/attachments.gen.go b/store/rdbms/attachments.gen.go
index be8c3ef41..ca9b71dd4 100644
--- a/store/rdbms/attachments.gen.go
+++ b/store/rdbms/attachments.gen.go
@@ -64,7 +64,7 @@ func (s Store) SearchAttachments(ctx context.Context, f types.AttachmentFilter)
 		}
 	)
 
-	return set, f, fetch()
+	return set, f, s.config.ErrorHandler(fetch())
 }
 
 // LookupAttachmentByID searches for attachment by its ID
@@ -86,7 +86,7 @@ func (s Store) CreateAttachment(ctx context.Context, rr ...*types.Attachment) er
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.AttachmentTable()).SetMap(s.internalAttachmentEncoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -96,7 +96,7 @@ func (s Store) CreateAttachment(ctx context.Context, rr ...*types.Attachment) er
 
 // UpdateAttachment updates one or more existing rows in attachments
 func (s Store) UpdateAttachment(ctx context.Context, rr ...*types.Attachment) error {
-	return s.PartialUpdateAttachment(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdateAttachment(ctx, nil, rr...))
 }
 
 // PartialUpdateAttachment updates one or more existing rows in attachments
@@ -114,7 +114,7 @@ func (s Store) PartialUpdateAttachment(ctx context.Context, onlyColumns []string
 				squirrel.Eq{s.preprocessColumn("att.id", ""): s.preprocessValue(res.ID, "")},
 				s.internalAttachmentEncoder(res).Skip("id").Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -132,7 +132,7 @@ func (s Store) RemoveAttachment(ctx context.Context, rr ...*types.Attachment) er
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Delete(s.AttachmentTable("att")).Where(squirrel.Eq{s.preprocessColumn("att.id", ""): s.preprocessValue(res.ID, "")}))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -142,17 +142,17 @@ func (s Store) RemoveAttachment(ctx context.Context, rr ...*types.Attachment) er
 
 // RemoveAttachmentByID removes row from the attachments table
 func (s Store) RemoveAttachmentByID(ctx context.Context, ID uint64) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Delete(s.AttachmentTable("att")).Where(squirrel.Eq{s.preprocessColumn("att.id", ""): s.preprocessValue(ID, "")}))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Delete(s.AttachmentTable("att")).Where(squirrel.Eq{s.preprocessColumn("att.id", ""): s.preprocessValue(ID, "")})))
 }
 
 // TruncateAttachments removes all rows from the attachments table
 func (s Store) TruncateAttachments(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.AttachmentTable())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.AttachmentTable()))
 }
 
 // ExecUpdateAttachments updates all matched (by cnd) rows in attachments with given data
 func (s Store) ExecUpdateAttachments(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Update(s.AttachmentTable("att")).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Update(s.AttachmentTable("att")).Where(cnd).SetMap(set)))
 }
 
 // AttachmentLookup prepares Attachment query and executes it,
diff --git a/store/rdbms/compose_charts.gen.go b/store/rdbms/compose_charts.gen.go
index 9f4e0dacb..c5164d377 100644
--- a/store/rdbms/compose_charts.gen.go
+++ b/store/rdbms/compose_charts.gen.go
@@ -219,7 +219,7 @@ func (s Store) SearchComposeCharts(ctx context.Context, f types.ChartFilter) (ty
 		}
 	)
 
-	return set, f, fetch()
+	return set, f, s.config.ErrorHandler(fetch())
 }
 
 // LookupComposeChartByID searches for compose chart by ID
@@ -248,7 +248,7 @@ func (s Store) CreateComposeChart(ctx context.Context, rr ...*types.Chart) error
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.ComposeChartTable()).SetMap(s.internalComposeChartEncoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -258,7 +258,7 @@ func (s Store) CreateComposeChart(ctx context.Context, rr ...*types.Chart) error
 
 // UpdateComposeChart updates one or more existing rows in compose_chart
 func (s Store) UpdateComposeChart(ctx context.Context, rr ...*types.Chart) error {
-	return s.PartialUpdateComposeChart(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdateComposeChart(ctx, nil, rr...))
 }
 
 // PartialUpdateComposeChart updates one or more existing rows in compose_chart
@@ -276,7 +276,7 @@ func (s Store) PartialUpdateComposeChart(ctx context.Context, onlyColumns []stri
 				squirrel.Eq{s.preprocessColumn("cch.id", ""): s.preprocessValue(res.ID, "")},
 				s.internalComposeChartEncoder(res).Skip("id").Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -294,7 +294,7 @@ func (s Store) RemoveComposeChart(ctx context.Context, rr ...*types.Chart) error
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ComposeChartTable("cch")).Where(squirrel.Eq{s.preprocessColumn("cch.id", ""): s.preprocessValue(res.ID, "")}))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -304,17 +304,17 @@ func (s Store) RemoveComposeChart(ctx context.Context, rr ...*types.Chart) error
 
 // RemoveComposeChartByID removes row from the compose_chart table
 func (s Store) RemoveComposeChartByID(ctx context.Context, ID uint64) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ComposeChartTable("cch")).Where(squirrel.Eq{s.preprocessColumn("cch.id", ""): s.preprocessValue(ID, "")}))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ComposeChartTable("cch")).Where(squirrel.Eq{s.preprocessColumn("cch.id", ""): s.preprocessValue(ID, "")})))
 }
 
 // TruncateComposeCharts removes all rows from the compose_chart table
 func (s Store) TruncateComposeCharts(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.ComposeChartTable())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.ComposeChartTable()))
 }
 
 // ExecUpdateComposeCharts updates all matched (by cnd) rows in compose_chart with given data
 func (s Store) ExecUpdateComposeCharts(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Update(s.ComposeChartTable("cch")).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Update(s.ComposeChartTable("cch")).Where(cnd).SetMap(set)))
 }
 
 // ComposeChartLookup prepares ComposeChart query and executes it,
diff --git a/store/rdbms/compose_module_fields.gen.go b/store/rdbms/compose_module_fields.gen.go
index 4477d4635..0ab9c0ebc 100644
--- a/store/rdbms/compose_module_fields.gen.go
+++ b/store/rdbms/compose_module_fields.gen.go
@@ -28,7 +28,7 @@ func (s Store) CreateComposeModuleField(ctx context.Context, rr ...*types.Module
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.ComposeModuleFieldTable()).SetMap(s.internalComposeModuleFieldEncoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -38,7 +38,7 @@ func (s Store) CreateComposeModuleField(ctx context.Context, rr ...*types.Module
 
 // UpdateComposeModuleField updates one or more existing rows in compose_module_field
 func (s Store) UpdateComposeModuleField(ctx context.Context, rr ...*types.ModuleField) error {
-	return s.PartialUpdateComposeModuleField(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdateComposeModuleField(ctx, nil, rr...))
 }
 
 // PartialUpdateComposeModuleField updates one or more existing rows in compose_module_field
@@ -56,7 +56,7 @@ func (s Store) PartialUpdateComposeModuleField(ctx context.Context, onlyColumns
 				squirrel.Eq{s.preprocessColumn("cmf.id", ""): s.preprocessValue(res.ID, "")},
 				s.internalComposeModuleFieldEncoder(res).Skip("id").Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -74,7 +74,7 @@ func (s Store) RemoveComposeModuleField(ctx context.Context, rr ...*types.Module
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ComposeModuleFieldTable("cmf")).Where(squirrel.Eq{s.preprocessColumn("cmf.id", ""): s.preprocessValue(res.ID, "")}))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -84,17 +84,17 @@ func (s Store) RemoveComposeModuleField(ctx context.Context, rr ...*types.Module
 
 // RemoveComposeModuleFieldByID removes row from the compose_module_field table
 func (s Store) RemoveComposeModuleFieldByID(ctx context.Context, ID uint64) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ComposeModuleFieldTable("cmf")).Where(squirrel.Eq{s.preprocessColumn("cmf.id", ""): s.preprocessValue(ID, "")}))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ComposeModuleFieldTable("cmf")).Where(squirrel.Eq{s.preprocessColumn("cmf.id", ""): s.preprocessValue(ID, "")})))
 }
 
 // TruncateComposeModuleFields removes all rows from the compose_module_field table
 func (s Store) TruncateComposeModuleFields(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.ComposeModuleFieldTable())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.ComposeModuleFieldTable()))
 }
 
 // ExecUpdateComposeModuleFields updates all matched (by cnd) rows in compose_module_field with given data
 func (s Store) ExecUpdateComposeModuleFields(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Update(s.ComposeModuleFieldTable("cmf")).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Update(s.ComposeModuleFieldTable("cmf")).Where(cnd).SetMap(set)))
 }
 
 // ComposeModuleFieldLookup prepares ComposeModuleField query and executes it,
diff --git a/store/rdbms/compose_modules.gen.go b/store/rdbms/compose_modules.gen.go
index abfff0967..dd0d495d3 100644
--- a/store/rdbms/compose_modules.gen.go
+++ b/store/rdbms/compose_modules.gen.go
@@ -219,7 +219,7 @@ func (s Store) SearchComposeModules(ctx context.Context, f types.ModuleFilter) (
 		}
 	)
 
-	return set, f, fetch()
+	return set, f, s.config.ErrorHandler(fetch())
 }
 
 // LookupComposeModuleByHandle searches for compose module by handle (case-insensitive)
@@ -248,7 +248,7 @@ func (s Store) CreateComposeModule(ctx context.Context, rr ...*types.Module) err
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.ComposeModuleTable()).SetMap(s.internalComposeModuleEncoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -258,7 +258,7 @@ func (s Store) CreateComposeModule(ctx context.Context, rr ...*types.Module) err
 
 // UpdateComposeModule updates one or more existing rows in compose_module
 func (s Store) UpdateComposeModule(ctx context.Context, rr ...*types.Module) error {
-	return s.PartialUpdateComposeModule(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdateComposeModule(ctx, nil, rr...))
 }
 
 // PartialUpdateComposeModule updates one or more existing rows in compose_module
@@ -276,7 +276,7 @@ func (s Store) PartialUpdateComposeModule(ctx context.Context, onlyColumns []str
 				squirrel.Eq{s.preprocessColumn("cmd.id", ""): s.preprocessValue(res.ID, "")},
 				s.internalComposeModuleEncoder(res).Skip("id").Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -294,7 +294,7 @@ func (s Store) RemoveComposeModule(ctx context.Context, rr ...*types.Module) err
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ComposeModuleTable("cmd")).Where(squirrel.Eq{s.preprocessColumn("cmd.id", ""): s.preprocessValue(res.ID, "")}))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -304,17 +304,17 @@ func (s Store) RemoveComposeModule(ctx context.Context, rr ...*types.Module) err
 
 // RemoveComposeModuleByID removes row from the compose_module table
 func (s Store) RemoveComposeModuleByID(ctx context.Context, ID uint64) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ComposeModuleTable("cmd")).Where(squirrel.Eq{s.preprocessColumn("cmd.id", ""): s.preprocessValue(ID, "")}))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ComposeModuleTable("cmd")).Where(squirrel.Eq{s.preprocessColumn("cmd.id", ""): s.preprocessValue(ID, "")})))
 }
 
 // TruncateComposeModules removes all rows from the compose_module table
 func (s Store) TruncateComposeModules(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.ComposeModuleTable())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.ComposeModuleTable()))
 }
 
 // ExecUpdateComposeModules updates all matched (by cnd) rows in compose_module with given data
 func (s Store) ExecUpdateComposeModules(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Update(s.ComposeModuleTable("cmd")).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Update(s.ComposeModuleTable("cmd")).Where(cnd).SetMap(set)))
 }
 
 // ComposeModuleLookup prepares ComposeModule query and executes it,
diff --git a/store/rdbms/compose_namespaces.gen.go b/store/rdbms/compose_namespaces.gen.go
index 5d12a6636..8d47bee31 100644
--- a/store/rdbms/compose_namespaces.gen.go
+++ b/store/rdbms/compose_namespaces.gen.go
@@ -219,7 +219,7 @@ func (s Store) SearchComposeNamespaces(ctx context.Context, f types.NamespaceFil
 		}
 	)
 
-	return set, f, fetch()
+	return set, f, s.config.ErrorHandler(fetch())
 }
 
 // LookupComposeNamespaceBySlug searches for namespace by slug (case-insensitive)
@@ -248,7 +248,7 @@ func (s Store) CreateComposeNamespace(ctx context.Context, rr ...*types.Namespac
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.ComposeNamespaceTable()).SetMap(s.internalComposeNamespaceEncoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -258,7 +258,7 @@ func (s Store) CreateComposeNamespace(ctx context.Context, rr ...*types.Namespac
 
 // UpdateComposeNamespace updates one or more existing rows in compose_namespace
 func (s Store) UpdateComposeNamespace(ctx context.Context, rr ...*types.Namespace) error {
-	return s.PartialUpdateComposeNamespace(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdateComposeNamespace(ctx, nil, rr...))
 }
 
 // PartialUpdateComposeNamespace updates one or more existing rows in compose_namespace
@@ -276,7 +276,7 @@ func (s Store) PartialUpdateComposeNamespace(ctx context.Context, onlyColumns []
 				squirrel.Eq{s.preprocessColumn("cns.id", ""): s.preprocessValue(res.ID, "")},
 				s.internalComposeNamespaceEncoder(res).Skip("id").Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -294,7 +294,7 @@ func (s Store) RemoveComposeNamespace(ctx context.Context, rr ...*types.Namespac
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ComposeNamespaceTable("cns")).Where(squirrel.Eq{s.preprocessColumn("cns.id", ""): s.preprocessValue(res.ID, "")}))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -304,17 +304,17 @@ func (s Store) RemoveComposeNamespace(ctx context.Context, rr ...*types.Namespac
 
 // RemoveComposeNamespaceByID removes row from the compose_namespace table
 func (s Store) RemoveComposeNamespaceByID(ctx context.Context, ID uint64) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ComposeNamespaceTable("cns")).Where(squirrel.Eq{s.preprocessColumn("cns.id", ""): s.preprocessValue(ID, "")}))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ComposeNamespaceTable("cns")).Where(squirrel.Eq{s.preprocessColumn("cns.id", ""): s.preprocessValue(ID, "")})))
 }
 
 // TruncateComposeNamespaces removes all rows from the compose_namespace table
 func (s Store) TruncateComposeNamespaces(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.ComposeNamespaceTable())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.ComposeNamespaceTable()))
 }
 
 // ExecUpdateComposeNamespaces updates all matched (by cnd) rows in compose_namespace with given data
 func (s Store) ExecUpdateComposeNamespaces(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Update(s.ComposeNamespaceTable("cns")).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Update(s.ComposeNamespaceTable("cns")).Where(cnd).SetMap(set)))
 }
 
 // ComposeNamespaceLookup prepares ComposeNamespace query and executes it,
diff --git a/store/rdbms/compose_pages.gen.go b/store/rdbms/compose_pages.gen.go
index d45df55e0..834c46daa 100644
--- a/store/rdbms/compose_pages.gen.go
+++ b/store/rdbms/compose_pages.gen.go
@@ -219,7 +219,7 @@ func (s Store) SearchComposePages(ctx context.Context, f types.PageFilter) (type
 		}
 	)
 
-	return set, f, fetch()
+	return set, f, s.config.ErrorHandler(fetch())
 }
 
 // LookupComposePageByHandle searches for page chart by handle (case-insensitive)
@@ -248,7 +248,7 @@ func (s Store) CreateComposePage(ctx context.Context, rr ...*types.Page) error {
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.ComposePageTable()).SetMap(s.internalComposePageEncoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -258,7 +258,7 @@ func (s Store) CreateComposePage(ctx context.Context, rr ...*types.Page) error {
 
 // UpdateComposePage updates one or more existing rows in compose_page
 func (s Store) UpdateComposePage(ctx context.Context, rr ...*types.Page) error {
-	return s.PartialUpdateComposePage(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdateComposePage(ctx, nil, rr...))
 }
 
 // PartialUpdateComposePage updates one or more existing rows in compose_page
@@ -276,7 +276,7 @@ func (s Store) PartialUpdateComposePage(ctx context.Context, onlyColumns []strin
 				squirrel.Eq{s.preprocessColumn("cpg.id", ""): s.preprocessValue(res.ID, "")},
 				s.internalComposePageEncoder(res).Skip("id").Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -294,7 +294,7 @@ func (s Store) RemoveComposePage(ctx context.Context, rr ...*types.Page) error {
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ComposePageTable("cpg")).Where(squirrel.Eq{s.preprocessColumn("cpg.id", ""): s.preprocessValue(res.ID, "")}))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -304,17 +304,17 @@ func (s Store) RemoveComposePage(ctx context.Context, rr ...*types.Page) error {
 
 // RemoveComposePageByID removes row from the compose_page table
 func (s Store) RemoveComposePageByID(ctx context.Context, ID uint64) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ComposePageTable("cpg")).Where(squirrel.Eq{s.preprocessColumn("cpg.id", ""): s.preprocessValue(ID, "")}))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ComposePageTable("cpg")).Where(squirrel.Eq{s.preprocessColumn("cpg.id", ""): s.preprocessValue(ID, "")})))
 }
 
 // TruncateComposePages removes all rows from the compose_page table
 func (s Store) TruncateComposePages(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.ComposePageTable())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.ComposePageTable()))
 }
 
 // ExecUpdateComposePages updates all matched (by cnd) rows in compose_page with given data
 func (s Store) ExecUpdateComposePages(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Update(s.ComposePageTable("cpg")).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Update(s.ComposePageTable("cpg")).Where(cnd).SetMap(set)))
 }
 
 // ComposePageLookup prepares ComposePage query and executes it,
diff --git a/store/rdbms/credentials.gen.go b/store/rdbms/credentials.gen.go
index ff33ea666..ad054308d 100644
--- a/store/rdbms/credentials.gen.go
+++ b/store/rdbms/credentials.gen.go
@@ -64,7 +64,7 @@ func (s Store) SearchCredentials(ctx context.Context, f types.CredentialsFilter)
 		}
 	)
 
-	return set, f, fetch()
+	return set, f, s.config.ErrorHandler(fetch())
 }
 
 // LookupCredentialsByID searches for credentials by ID
@@ -86,7 +86,7 @@ func (s Store) CreateCredentials(ctx context.Context, rr ...*types.Credentials)
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.CredentialsTable()).SetMap(s.internalCredentialsEncoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -96,7 +96,7 @@ func (s Store) CreateCredentials(ctx context.Context, rr ...*types.Credentials)
 
 // UpdateCredentials updates one or more existing rows in credentials
 func (s Store) UpdateCredentials(ctx context.Context, rr ...*types.Credentials) error {
-	return s.PartialUpdateCredentials(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdateCredentials(ctx, nil, rr...))
 }
 
 // PartialUpdateCredentials updates one or more existing rows in credentials
@@ -114,7 +114,7 @@ func (s Store) PartialUpdateCredentials(ctx context.Context, onlyColumns []strin
 				squirrel.Eq{s.preprocessColumn("crd.id", ""): s.preprocessValue(res.ID, "")},
 				s.internalCredentialsEncoder(res).Skip("id").Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -132,7 +132,7 @@ func (s Store) RemoveCredentials(ctx context.Context, rr ...*types.Credentials)
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Delete(s.CredentialsTable("crd")).Where(squirrel.Eq{s.preprocessColumn("crd.id", ""): s.preprocessValue(res.ID, "")}))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -142,17 +142,17 @@ func (s Store) RemoveCredentials(ctx context.Context, rr ...*types.Credentials)
 
 // RemoveCredentialsByID removes row from the credentials table
 func (s Store) RemoveCredentialsByID(ctx context.Context, ID uint64) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Delete(s.CredentialsTable("crd")).Where(squirrel.Eq{s.preprocessColumn("crd.id", ""): s.preprocessValue(ID, "")}))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Delete(s.CredentialsTable("crd")).Where(squirrel.Eq{s.preprocessColumn("crd.id", ""): s.preprocessValue(ID, "")})))
 }
 
 // TruncateCredentials removes all rows from the credentials table
 func (s Store) TruncateCredentials(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.CredentialsTable())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.CredentialsTable()))
 }
 
 // ExecUpdateCredentials updates all matched (by cnd) rows in credentials with given data
 func (s Store) ExecUpdateCredentials(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Update(s.CredentialsTable("crd")).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Update(s.CredentialsTable("crd")).Where(cnd).SetMap(set)))
 }
 
 // CredentialsLookup prepares Credentials query and executes it,
diff --git a/store/rdbms/rbac_rules.gen.go b/store/rdbms/rbac_rules.gen.go
index b030884ca..a8f83592c 100644
--- a/store/rdbms/rbac_rules.gen.go
+++ b/store/rdbms/rbac_rules.gen.go
@@ -61,7 +61,7 @@ func (s Store) SearchRbacRules(ctx context.Context, f permissions.RuleFilter) (p
 		}
 	)
 
-	return set, f, fetch()
+	return set, f, s.config.ErrorHandler(fetch())
 }
 
 // CreateRbacRule creates one or more rows in rbac_rules table
@@ -74,7 +74,7 @@ func (s Store) CreateRbacRule(ctx context.Context, rr ...*permissions.Rule) erro
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.RbacRuleTable()).SetMap(s.internalRbacRuleEncoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -84,7 +84,7 @@ func (s Store) CreateRbacRule(ctx context.Context, rr ...*permissions.Rule) erro
 
 // UpdateRbacRule updates one or more existing rows in rbac_rules
 func (s Store) UpdateRbacRule(ctx context.Context, rr ...*permissions.Rule) error {
-	return s.PartialUpdateRbacRule(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdateRbacRule(ctx, nil, rr...))
 }
 
 // PartialUpdateRbacRule updates one or more existing rows in rbac_rules
@@ -105,7 +105,7 @@ func (s Store) PartialUpdateRbacRule(ctx context.Context, onlyColumns []string,
 				},
 				s.internalRbacRuleEncoder(res).Skip("rel_role", "resource", "operation").Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -126,7 +126,7 @@ func (s Store) RemoveRbacRule(ctx context.Context, rr ...*permissions.Rule) erro
 				s.preprocessColumn("rls.operation", ""): s.preprocessValue(res.Operation, ""),
 			}))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -136,22 +136,22 @@ func (s Store) RemoveRbacRule(ctx context.Context, rr ...*permissions.Rule) erro
 
 // RemoveRbacRuleByRoleIDResourceOperation removes row from the rbac_rules table
 func (s Store) RemoveRbacRuleByRoleIDResourceOperation(ctx context.Context, roleID uint64, resource string, operation string) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Delete(s.RbacRuleTable("rls")).Where(squirrel.Eq{s.preprocessColumn("rls.rel_role", ""): s.preprocessValue(roleID, ""),
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Delete(s.RbacRuleTable("rls")).Where(squirrel.Eq{s.preprocessColumn("rls.rel_role", ""): s.preprocessValue(roleID, ""),
 
 		s.preprocessColumn("rls.resource", ""): s.preprocessValue(resource, ""),
 
 		s.preprocessColumn("rls.operation", ""): s.preprocessValue(operation, ""),
-	}))
+	})))
 }
 
 // TruncateRbacRules removes all rows from the rbac_rules table
 func (s Store) TruncateRbacRules(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.RbacRuleTable())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.RbacRuleTable()))
 }
 
 // ExecUpdateRbacRules updates all matched (by cnd) rows in rbac_rules with given data
 func (s Store) ExecUpdateRbacRules(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Update(s.RbacRuleTable("rls")).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Update(s.RbacRuleTable("rls")).Where(cnd).SetMap(set)))
 }
 
 // RbacRuleLookup prepares RbacRule query and executes it,
diff --git a/store/rdbms/rdbms.go b/store/rdbms/rdbms.go
index e8378b57c..b97d88b22 100644
--- a/store/rdbms/rdbms.go
+++ b/store/rdbms/rdbms.go
@@ -26,6 +26,7 @@ type (
 	txRetryOnErrHandler func(int, error) bool
 	columnPreprocFn     func(string, string) string
 	valuePreprocFn      func(interface{}, string) interface{}
+	errorHandler        func(error) error
 
 	schemaUpgradeGenerator interface {
 		TableExists(string) bool
@@ -58,6 +59,8 @@ type (
 		ColumnPreprocessors map[string]columnPreprocFn
 		ValuePreprocessors  map[string]valuePreprocFn
 
+		ErrorHandler errorHandler
+
 		// Implementations can override internal RDBMS row scanners
 		RowScanners map[string]interface{}
 	}
@@ -122,6 +125,10 @@ func New(ctx context.Context, cfg *Config) (*Store, error) {
 		s.config.TxRetryErrHandler = TxNoRetry
 	}
 
+	if s.config.ErrorHandler == nil {
+		s.config.ErrorHandler = ErrHandlerFallthrough
+	}
+
 	if err := s.Connect(ctx); err != nil {
 		return nil, err
 	}
@@ -270,7 +277,6 @@ func ExecuteSqlizer(ctx context.Context, db sqlx.ExecerContext, sqlizer squirrel
 	}
 
 	_, err = db.ExecContext(ctx, query, args...)
-
 	return err
 }
 
@@ -335,4 +341,5 @@ func Tx(ctx context.Context, db *sqlx.DB, cfg *Config, txOpt *sql.TxOptions, tas
 // TxNoRetry - Transaction retry handler
 //
 // Only returns false so transactions will never retry
-func TxNoRetry(int, error) bool { return false }
+func TxNoRetry(int, error) bool             { return false }
+func ErrHandlerFallthrough(err error) error { return err }
diff --git a/store/rdbms/reminders.gen.go b/store/rdbms/reminders.gen.go
index 860e49045..a6e7fbb87 100644
--- a/store/rdbms/reminders.gen.go
+++ b/store/rdbms/reminders.gen.go
@@ -219,7 +219,7 @@ func (s Store) SearchReminders(ctx context.Context, f types.ReminderFilter) (typ
 		}
 	)
 
-	return set, f, fetch()
+	return set, f, s.config.ErrorHandler(fetch())
 }
 
 // LookupReminderByID searches for reminder by its ID
@@ -241,7 +241,7 @@ func (s Store) CreateReminder(ctx context.Context, rr ...*types.Reminder) error
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.ReminderTable()).SetMap(s.internalReminderEncoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -251,7 +251,7 @@ func (s Store) CreateReminder(ctx context.Context, rr ...*types.Reminder) error
 
 // UpdateReminder updates one or more existing rows in reminders
 func (s Store) UpdateReminder(ctx context.Context, rr ...*types.Reminder) error {
-	return s.PartialUpdateReminder(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdateReminder(ctx, nil, rr...))
 }
 
 // PartialUpdateReminder updates one or more existing rows in reminders
@@ -269,7 +269,7 @@ func (s Store) PartialUpdateReminder(ctx context.Context, onlyColumns []string,
 				squirrel.Eq{s.preprocessColumn("rmd.id", ""): s.preprocessValue(res.ID, "")},
 				s.internalReminderEncoder(res).Skip("id").Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -287,7 +287,7 @@ func (s Store) RemoveReminder(ctx context.Context, rr ...*types.Reminder) error
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ReminderTable("rmd")).Where(squirrel.Eq{s.preprocessColumn("rmd.id", ""): s.preprocessValue(res.ID, "")}))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -297,17 +297,17 @@ func (s Store) RemoveReminder(ctx context.Context, rr ...*types.Reminder) error
 
 // RemoveReminderByID removes row from the reminders table
 func (s Store) RemoveReminderByID(ctx context.Context, ID uint64) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ReminderTable("rmd")).Where(squirrel.Eq{s.preprocessColumn("rmd.id", ""): s.preprocessValue(ID, "")}))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Delete(s.ReminderTable("rmd")).Where(squirrel.Eq{s.preprocessColumn("rmd.id", ""): s.preprocessValue(ID, "")})))
 }
 
 // TruncateReminders removes all rows from the reminders table
 func (s Store) TruncateReminders(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.ReminderTable())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.ReminderTable()))
 }
 
 // ExecUpdateReminders updates all matched (by cnd) rows in reminders with given data
 func (s Store) ExecUpdateReminders(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Update(s.ReminderTable("rmd")).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Update(s.ReminderTable("rmd")).Where(cnd).SetMap(set)))
 }
 
 // ReminderLookup prepares Reminder query and executes it,
diff --git a/store/rdbms/role_members.gen.go b/store/rdbms/role_members.gen.go
index 4621de30c..d245b9496 100644
--- a/store/rdbms/role_members.gen.go
+++ b/store/rdbms/role_members.gen.go
@@ -61,7 +61,7 @@ func (s Store) SearchRoleMembers(ctx context.Context, f types.RoleMemberFilter)
 		}
 	)
 
-	return set, f, fetch()
+	return set, f, s.config.ErrorHandler(fetch())
 }
 
 // CreateRoleMember creates one or more rows in role_members table
@@ -74,7 +74,7 @@ func (s Store) CreateRoleMember(ctx context.Context, rr ...*types.RoleMember) er
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.RoleMemberTable()).SetMap(s.internalRoleMemberEncoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -84,7 +84,7 @@ func (s Store) CreateRoleMember(ctx context.Context, rr ...*types.RoleMember) er
 
 // UpdateRoleMember updates one or more existing rows in role_members
 func (s Store) UpdateRoleMember(ctx context.Context, rr ...*types.RoleMember) error {
-	return s.PartialUpdateRoleMember(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdateRoleMember(ctx, nil, rr...))
 }
 
 // PartialUpdateRoleMember updates one or more existing rows in role_members
@@ -104,7 +104,7 @@ func (s Store) PartialUpdateRoleMember(ctx context.Context, onlyColumns []string
 				},
 				s.internalRoleMemberEncoder(res).Skip("rel_user", "rel_role").Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -124,7 +124,7 @@ func (s Store) RemoveRoleMember(ctx context.Context, rr ...*types.RoleMember) er
 				s.preprocessColumn("rm.rel_role", ""): s.preprocessValue(res.RoleID, ""),
 			}))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -134,20 +134,20 @@ func (s Store) RemoveRoleMember(ctx context.Context, rr ...*types.RoleMember) er
 
 // RemoveRoleMemberByUserIDRoleID removes row from the role_members table
 func (s Store) RemoveRoleMemberByUserIDRoleID(ctx context.Context, userID uint64, roleID uint64) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Delete(s.RoleMemberTable("rm")).Where(squirrel.Eq{s.preprocessColumn("rm.rel_user", ""): s.preprocessValue(userID, ""),
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Delete(s.RoleMemberTable("rm")).Where(squirrel.Eq{s.preprocessColumn("rm.rel_user", ""): s.preprocessValue(userID, ""),
 
 		s.preprocessColumn("rm.rel_role", ""): s.preprocessValue(roleID, ""),
-	}))
+	})))
 }
 
 // TruncateRoleMembers removes all rows from the role_members table
 func (s Store) TruncateRoleMembers(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.RoleMemberTable())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.RoleMemberTable()))
 }
 
 // ExecUpdateRoleMembers updates all matched (by cnd) rows in role_members with given data
 func (s Store) ExecUpdateRoleMembers(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Update(s.RoleMemberTable("rm")).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Update(s.RoleMemberTable("rm")).Where(cnd).SetMap(set)))
 }
 
 // RoleMemberLookup prepares RoleMember query and executes it,
diff --git a/store/rdbms/roles.gen.go b/store/rdbms/roles.gen.go
index f88f7888d..6c9718630 100644
--- a/store/rdbms/roles.gen.go
+++ b/store/rdbms/roles.gen.go
@@ -219,7 +219,7 @@ func (s Store) SearchRoles(ctx context.Context, f types.RoleFilter) (types.RoleS
 		}
 	)
 
-	return set, f, fetch()
+	return set, f, s.config.ErrorHandler(fetch())
 }
 
 // LookupRoleByID searches for role by ID
@@ -263,7 +263,7 @@ func (s Store) CreateRole(ctx context.Context, rr ...*types.Role) error {
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.RoleTable()).SetMap(s.internalRoleEncoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -273,7 +273,7 @@ func (s Store) CreateRole(ctx context.Context, rr ...*types.Role) error {
 
 // UpdateRole updates one or more existing rows in roles
 func (s Store) UpdateRole(ctx context.Context, rr ...*types.Role) error {
-	return s.PartialUpdateRole(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdateRole(ctx, nil, rr...))
 }
 
 // PartialUpdateRole updates one or more existing rows in roles
@@ -291,7 +291,7 @@ func (s Store) PartialUpdateRole(ctx context.Context, onlyColumns []string, rr .
 				squirrel.Eq{s.preprocessColumn("rl.id", ""): s.preprocessValue(res.ID, "")},
 				s.internalRoleEncoder(res).Skip("id").Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -309,7 +309,7 @@ func (s Store) RemoveRole(ctx context.Context, rr ...*types.Role) error {
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Delete(s.RoleTable("rl")).Where(squirrel.Eq{s.preprocessColumn("rl.id", ""): s.preprocessValue(res.ID, "")}))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -319,17 +319,17 @@ func (s Store) RemoveRole(ctx context.Context, rr ...*types.Role) error {
 
 // RemoveRoleByID removes row from the roles table
 func (s Store) RemoveRoleByID(ctx context.Context, ID uint64) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Delete(s.RoleTable("rl")).Where(squirrel.Eq{s.preprocessColumn("rl.id", ""): s.preprocessValue(ID, "")}))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Delete(s.RoleTable("rl")).Where(squirrel.Eq{s.preprocessColumn("rl.id", ""): s.preprocessValue(ID, "")})))
 }
 
 // TruncateRoles removes all rows from the roles table
 func (s Store) TruncateRoles(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.RoleTable())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.RoleTable()))
 }
 
 // ExecUpdateRoles updates all matched (by cnd) rows in roles with given data
 func (s Store) ExecUpdateRoles(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Update(s.RoleTable("rl")).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Update(s.RoleTable("rl")).Where(cnd).SetMap(set)))
 }
 
 // RoleLookup prepares Role query and executes it,
diff --git a/store/rdbms/settings.gen.go b/store/rdbms/settings.gen.go
index 5da5f904d..c17084fe5 100644
--- a/store/rdbms/settings.gen.go
+++ b/store/rdbms/settings.gen.go
@@ -64,7 +64,7 @@ func (s Store) SearchSettings(ctx context.Context, f types.SettingsFilter) (type
 		}
 	)
 
-	return set, f, fetch()
+	return set, f, s.config.ErrorHandler(fetch())
 }
 
 // LookupSettingByNameOwnedBy searches for settings by name and owner
@@ -85,7 +85,7 @@ func (s Store) CreateSetting(ctx context.Context, rr ...*types.SettingValue) err
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.SettingTable()).SetMap(s.internalSettingEncoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -95,7 +95,7 @@ func (s Store) CreateSetting(ctx context.Context, rr ...*types.SettingValue) err
 
 // UpdateSetting updates one or more existing rows in settings
 func (s Store) UpdateSetting(ctx context.Context, rr ...*types.SettingValue) error {
-	return s.PartialUpdateSetting(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdateSetting(ctx, nil, rr...))
 }
 
 // PartialUpdateSetting updates one or more existing rows in settings
@@ -115,7 +115,7 @@ func (s Store) PartialUpdateSetting(ctx context.Context, onlyColumns []string, r
 				},
 				s.internalSettingEncoder(res).Skip("name", "rel_owner").Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -135,7 +135,7 @@ func (s Store) RemoveSetting(ctx context.Context, rr ...*types.SettingValue) err
 				s.preprocessColumn("st.rel_owner", ""): s.preprocessValue(res.OwnedBy, ""),
 			}))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -145,20 +145,20 @@ func (s Store) RemoveSetting(ctx context.Context, rr ...*types.SettingValue) err
 
 // RemoveSettingByNameOwnedBy removes row from the settings table
 func (s Store) RemoveSettingByNameOwnedBy(ctx context.Context, name string, ownedBy uint64) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Delete(s.SettingTable("st")).Where(squirrel.Eq{s.preprocessColumn("st.name", ""): s.preprocessValue(name, ""),
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Delete(s.SettingTable("st")).Where(squirrel.Eq{s.preprocessColumn("st.name", ""): s.preprocessValue(name, ""),
 
 		s.preprocessColumn("st.rel_owner", ""): s.preprocessValue(ownedBy, ""),
-	}))
+	})))
 }
 
 // TruncateSettings removes all rows from the settings table
 func (s Store) TruncateSettings(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.SettingTable())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.SettingTable()))
 }
 
 // ExecUpdateSettings updates all matched (by cnd) rows in settings with given data
 func (s Store) ExecUpdateSettings(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Update(s.SettingTable("st")).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Update(s.SettingTable("st")).Where(cnd).SetMap(set)))
 }
 
 // SettingLookup prepares Setting query and executes it,
diff --git a/store/rdbms/users.gen.go b/store/rdbms/users.gen.go
index 93de4888b..f8394b6df 100644
--- a/store/rdbms/users.gen.go
+++ b/store/rdbms/users.gen.go
@@ -219,7 +219,7 @@ func (s Store) SearchUsers(ctx context.Context, f types.UserFilter) (types.UserS
 		}
 	)
 
-	return set, f, fetch()
+	return set, f, s.config.ErrorHandler(fetch())
 }
 
 // LookupUserByID searches for user by ID
@@ -274,7 +274,7 @@ func (s Store) CreateUser(ctx context.Context, rr ...*types.User) error {
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Insert(s.UserTable()).SetMap(s.internalUserEncoder(res)))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -284,7 +284,7 @@ func (s Store) CreateUser(ctx context.Context, rr ...*types.User) error {
 
 // UpdateUser updates one or more existing rows in users
 func (s Store) UpdateUser(ctx context.Context, rr ...*types.User) error {
-	return s.PartialUpdateUser(ctx, nil, rr...)
+	return s.config.ErrorHandler(s.PartialUpdateUser(ctx, nil, rr...))
 }
 
 // PartialUpdateUser updates one or more existing rows in users
@@ -302,7 +302,7 @@ func (s Store) PartialUpdateUser(ctx context.Context, onlyColumns []string, rr .
 				squirrel.Eq{s.preprocessColumn("usr.id", ""): s.preprocessValue(res.ID, "")},
 				s.internalUserEncoder(res).Skip("id").Only(onlyColumns...))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -320,7 +320,7 @@ func (s Store) RemoveUser(ctx context.Context, rr ...*types.User) error {
 		for _, res := range rr {
 			err = ExecuteSqlizer(ctx, s.DB(), s.Delete(s.UserTable("usr")).Where(squirrel.Eq{s.preprocessColumn("usr.id", ""): s.preprocessValue(res.ID, "")}))
 			if err != nil {
-				return err
+				return s.config.ErrorHandler(err)
 			}
 		}
 
@@ -330,17 +330,17 @@ func (s Store) RemoveUser(ctx context.Context, rr ...*types.User) error {
 
 // RemoveUserByID removes row from the users table
 func (s Store) RemoveUserByID(ctx context.Context, ID uint64) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Delete(s.UserTable("usr")).Where(squirrel.Eq{s.preprocessColumn("usr.id", ""): s.preprocessValue(ID, "")}))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Delete(s.UserTable("usr")).Where(squirrel.Eq{s.preprocessColumn("usr.id", ""): s.preprocessValue(ID, "")})))
 }
 
 // TruncateUsers removes all rows from the users table
 func (s Store) TruncateUsers(ctx context.Context) error {
-	return Truncate(ctx, s.DB(), s.UserTable())
+	return s.config.ErrorHandler(Truncate(ctx, s.DB(), s.UserTable()))
 }
 
 // ExecUpdateUsers updates all matched (by cnd) rows in users with given data
 func (s Store) ExecUpdateUsers(ctx context.Context, cnd squirrel.Sqlizer, set store.Payload) error {
-	return ExecuteSqlizer(ctx, s.DB(), s.Update(s.UserTable("usr")).Where(cnd).SetMap(set))
+	return s.config.ErrorHandler(ExecuteSqlizer(ctx, s.DB(), s.Update(s.UserTable("usr")).Where(cnd).SetMap(set)))
 }
 
 // UserLookup prepares User query and executes it,
diff --git a/store/sqlite/sqlite.go b/store/sqlite/sqlite.go
index 5beecaa1b..771641490 100644
--- a/store/sqlite/sqlite.go
+++ b/store/sqlite/sqlite.go
@@ -4,8 +4,9 @@ import (
 	"context"
 	"fmt"
 	"github.com/Masterminds/squirrel"
+	"github.com/cortezaproject/corteza-server/store"
 	"github.com/cortezaproject/corteza-server/store/rdbms"
-	_ "github.com/mattn/go-sqlite3"
+	"github.com/mattn/go-sqlite3"
 	"go.uber.org/zap"
 	"strings"
 )
@@ -24,6 +25,7 @@ func New(ctx context.Context, dsn string) (s *Store, err error) {
 	}
 
 	cfg.PlaceholderFormat = squirrel.Dollar
+	cfg.ErrorHandler = errorHandler
 
 	s = new(Store)
 	if s.Store, err = rdbms.New(ctx, cfg); err != nil {
@@ -83,3 +85,16 @@ func ProcDataSourceName(in string) (*rdbms.Config, error) {
 
 	return c, nil
 }
+
+func errorHandler(err error) error {
+	if err != nil {
+		if implErr, ok := err.(sqlite3.Error); ok {
+			switch implErr.ExtendedCode {
+			case sqlite3.ErrConstraintUnique:
+				return store.ErrNotUnique.Wrap(implErr)
+			}
+		}
+	}
+
+	return err
+}
diff --git a/store/tests/users_test.go b/store/tests/users_test.go
index 715be6c7d..5a265d313 100644
--- a/store/tests/users_test.go
+++ b/store/tests/users_test.go
@@ -74,6 +74,22 @@ func testUsers(t *testing.T, tmp interface{}) {
 		req.NoError(s.CreateUser(ctx, makeNew()))
 	})
 
+	t.Run("create with duplicate email", func(t *testing.T) {
+		req := require.New(t)
+		req.NoError(s.TruncateUsers(ctx))
+
+		req.NoError(s.CreateUser(ctx, makeNew("a")))
+		req.EqualError(s.CreateUser(ctx, makeNew("a")), store.ErrNotUnique.Error())
+	})
+
+	t.Run("create with duplicate ID", func(t *testing.T) {
+		req := require.New(t)
+		req.NoError(s.TruncateUsers(ctx))
+		user := makeNew("a")
+		req.NoError(s.CreateUser(ctx, user))
+		req.EqualError(s.CreateUser(ctx, user), store.ErrNotUnique.Error())
+	})
+
 	t.Run("lookup by ID", func(t *testing.T) {
 		req, user := truncAndCreate(t)