diff --git a/cmd/cgr-loader/migrator_rc8.go b/cmd/cgr-loader/migrator_rc8.go
index 0ba41f568..0008f66f1 100644
--- a/cmd/cgr-loader/migrator_rc8.go
+++ b/cmd/cgr-loader/migrator_rc8.go
@@ -170,9 +170,9 @@ func (mig MigratorRC8) migrateAccounts() error {
 					DestinationIds: utils.ParseStringMap(oldBal.DestinationIds),
 					RatingSubject:  oldBal.RatingSubject,
 					Categories:     utils.ParseStringMap(oldBal.Category),
-					SharedGroup:    oldBal.SharedGroup,
+					SharedGroups:   utils.ParseStringMap(oldBal.SharedGroup),
 					Timings:        oldBal.Timings,
-					TimingIDs:      oldBal.TimingIDs,
+					TimingIDs:      utils.ParseStringMap(oldBal.TimingIDs),
 					Disabled:       oldBal.Disabled,
 				}
 			}
@@ -194,9 +194,9 @@ func (mig MigratorRC8) migrateAccounts() error {
 					DestinationIds: utils.ParseStringMap(oldUcBal.DestinationIds),
 					RatingSubject:  oldUcBal.RatingSubject,
 					Categories:     utils.ParseStringMap(oldUcBal.Category),
-					SharedGroup:    oldUcBal.SharedGroup,
+					SharedGroups:   utils.ParseStringMap(oldUcBal.SharedGroup),
 					Timings:        oldUcBal.Timings,
-					TimingIDs:      oldUcBal.TimingIDs,
+					TimingIDs:      utils.ParseStringMap(oldUcBal.TimingIDs),
 					Disabled:       oldUcBal.Disabled,
 				}
 			}
@@ -215,10 +215,10 @@ func (mig MigratorRC8) migrateAccounts() error {
 				BalanceDestinationIds: utils.ParseStringMap(oldAtr.BalanceDestinationIds),
 				BalanceWeight:         oldAtr.BalanceWeight,
 				BalanceExpirationDate: oldAtr.BalanceExpirationDate,
-				BalanceTimingTags:     oldAtr.BalanceTimingTags,
+				BalanceTimingTags:     utils.ParseStringMap(oldAtr.BalanceTimingTags),
 				BalanceRatingSubject:  oldAtr.BalanceRatingSubject,
 				BalanceCategories:     utils.ParseStringMap(oldAtr.BalanceCategory),
-				BalanceSharedGroup:    oldAtr.BalanceSharedGroup,
+				BalanceSharedGroups:   utils.ParseStringMap(oldAtr.BalanceSharedGroup),
 				BalanceDisabled:       oldAtr.BalanceDisabled,
 				Weight:                oldAtr.Weight,
 				ActionsId:             oldAtr.ActionsId,
@@ -275,10 +275,10 @@ func (mig MigratorRC8) migrateActionTriggers() error {
 				BalanceDestinationIds: utils.ParseStringMap(oldAtr.BalanceDestinationIds),
 				BalanceWeight:         oldAtr.BalanceWeight,
 				BalanceExpirationDate: oldAtr.BalanceExpirationDate,
-				BalanceTimingTags:     oldAtr.BalanceTimingTags,
+				BalanceTimingTags:     utils.ParseStringMap(oldAtr.BalanceTimingTags),
 				BalanceRatingSubject:  oldAtr.BalanceRatingSubject,
 				BalanceCategories:     utils.ParseStringMap(oldAtr.BalanceCategory),
-				BalanceSharedGroup:    oldAtr.BalanceSharedGroup,
+				BalanceSharedGroups:   utils.ParseStringMap(oldAtr.BalanceSharedGroup),
 				BalanceDisabled:       oldAtr.BalanceDisabled,
 				Weight:                oldAtr.Weight,
 				ActionsId:             oldAtr.ActionsId,
@@ -335,9 +335,9 @@ func (mig MigratorRC8) migrateActions() error {
 					DestinationIds: utils.ParseStringMap(oldAc.Balance.DestinationIds),
 					RatingSubject:  oldAc.Balance.RatingSubject,
 					Categories:     utils.ParseStringMap(oldAc.Balance.Category),
-					SharedGroup:    oldAc.Balance.SharedGroup,
+					SharedGroups:    utils.ParseStringMap(oldAc.Balance.SharedGroup),
 					Timings:        oldAc.Balance.Timings,
-					TimingIDs:      oldAc.Balance.TimingIDs,
+					TimingIDs:      utils.ParseStringMap(oldAc.Balance.TimingIDs),
 					Disabled:       oldAc.Balance.Disabled,
 				},
 			}