diff --git a/migrator/migrator_it_test.go b/migrator/migrator_it_test.go
index ee9d00f03..65517f491 100644
--- a/migrator/migrator_it_test.go
+++ b/migrator/migrator_it_test.go
@@ -1118,25 +1118,25 @@ func testMigratorSessionsCosts(t *testing.T) {
 	case Move:
 		currentVersion := engine.CurrentStorDBVersions()
 		currentVersion[utils.SessionsCosts] = 1
-		err := mig.dmOut.DataDB().SetVersions(currentVersion, false)
+		err := mig.OutStorDB().SetVersions(currentVersion, false)
 		if err != nil {
 			t.Error("Error when setting version for SessionsCosts ", err.Error())
 		}
 		err, _ = mig.Migrate([]string{utils.MetaSessionsCosts})
-		if err == nil {
-			t.Error("Expecting error , received: nil ")
+		if err.Error() != "Wrong version. Please use <cgr-migrator -migrate=*set_versions>" {
+			t.Error("Expecting error , received: %+v ", err)
 		}
-		if vrs, err := mig.dmOut.DataDB().GetVersions(utils.SessionsCosts); err != nil {
+		if vrs, err := mig.OutStorDB().GetVersions(utils.SessionsCosts); err != nil {
 			t.Error(err)
 		} else if vrs[utils.SessionsCosts] != 1 {
 			t.Errorf("Expecting: 1, received: %+v", vrs[utils.SessionsCosts])
 		}
 		currentVersion = engine.CurrentStorDBVersions()
-		err = mig.dmOut.DataDB().SetVersions(currentVersion, false)
+		err = mig.OutStorDB().SetVersions(currentVersion, false)
 		if err != nil {
 			t.Error("Error when setting version for SessionsCosts ", err.Error())
 		}
-		if vrs, err := mig.dmOut.DataDB().GetVersions(utils.SessionsCosts); err != nil {
+		if vrs, err := mig.OutStorDB().GetVersions(utils.SessionsCosts); err != nil {
 			t.Error(err)
 		} else if vrs[utils.SessionsCosts] != 2 {
 			t.Errorf("Expecting: 2, received: %+v", vrs[utils.SessionsCosts])
diff --git a/migrator/sessions_costs.go b/migrator/sessions_costs.go
index d949f5ce4..40640eb39 100644
--- a/migrator/sessions_costs.go
+++ b/migrator/sessions_costs.go
@@ -28,21 +28,20 @@ import (
 
 func (m *Migrator) migrateSessionsCosts() (err error) {
 	var vrs engine.Versions
-	vrs, err = m.dmOut.DataDB().GetVersions(utils.TBLVersions)
+	vrs, err = m.OutStorDB().GetVersions(utils.TBLVersions)
 	if err != nil {
 		return utils.NewCGRError(utils.Migrator,
 			utils.ServerErrorCaps,
 			err.Error(),
-			fmt.Sprintf("error: <%s> when querying oldDataDB for versions", err.Error()))
+			fmt.Sprintf("error: <%s> when querying OutStorDB for versions", err.Error()))
 	} else if len(vrs) == 0 {
 		return utils.NewCGRError(utils.Migrator,
 			utils.MandatoryIEMissingCaps,
 			utils.UndefinedVersion,
-			"version number is not defined for ActionTriggers model")
+			"version number is not defined for SessionsCosts model")
 	}
 	if vrs[utils.SessionsCosts] == 1 {
-		msg := "Migration needed: please backup cgrates data and run from data/storage the scripts for MySql and Postgres"
-		return errors.New(msg)
+		return errors.New("Wrong version. Please use <cgr-migrator -migrate=*set_versions>")
 	}
 	return nil
 }