diff --git a/application/displayblock.class.inc.php b/application/displayblock.class.inc.php
index 51c6484c5..74d9d2d90 100644
--- a/application/displayblock.class.inc.php
+++ b/application/displayblock.class.inc.php
@@ -803,14 +803,14 @@ class MenuBlock extends DisplayBlock
 		{
 			case 0:
 			// No object in the set, the only possible action is "new"
-			$bIsModifyAllowed = (!MetaModel::IsAbstract($sClass)) && (UserRights::IsActionAllowed($sClass, UR_ACTION_MODIFY) == UR_ALLOWED_YES) && !MetaModel::IsReadOnlyClass($sClass);
+			$bIsModifyAllowed =  (UserRights::IsActionAllowed($sClass, UR_ACTION_MODIFY) == UR_ALLOWED_YES) && !MetaModel::IsReadOnlyClass($sClass);
 			if ($bIsModifyAllowed) { $aActions[] = array ('label' => Dict::S('UI:Menu:New'), 'url' => "../page/$sUIPage?operation=new&class=$sClass&$sContext{$sDefault}"); }
 			break;
 			
 			case 1:
 			$oObj = $oSet->Fetch();
 			$id = $oObj->GetKey();
-			$bIsModifyAllowed = (!MetaModel::IsAbstract($sClass)) && (UserRights::IsActionAllowed($sClass, UR_ACTION_MODIFY, $oSet) == UR_ALLOWED_YES) && !MetaModel::IsReadOnlyClass($sClass);
+			$bIsModifyAllowed = (UserRights::IsActionAllowed($sClass, UR_ACTION_MODIFY, $oSet) == UR_ALLOWED_YES) && !MetaModel::IsReadOnlyClass($sClass);
 			$bIsDeleteAllowed = UserRights::IsActionAllowed($sClass, UR_ACTION_DELETE, $oSet) && !MetaModel::IsReadOnlyClass($sClass);
 			$bIsBulkModifyAllowed = (!MetaModel::IsAbstract($sClass)) && UserRights::IsActionAllowed($sClass, UR_ACTION_BULK_MODIFY, $oSet) && !MetaModel::IsReadOnlyClass($sClass);
 			$bIsBulkDeleteAllowed = UserRights::IsActionAllowed($sClass, UR_ACTION_BULK_DELETE, $oSet) && !MetaModel::IsReadOnlyClass($sClass);
@@ -866,7 +866,7 @@ class MenuBlock extends DisplayBlock
 			default:
 			// Check rights
 			// New / Modify
-			$bIsModifyAllowed = (!MetaModel::IsAbstract($sClass)) && UserRights::IsActionAllowed($sClass, UR_ACTION_MODIFY, $oSet) && !MetaModel::IsReadOnlyClass($sClass);
+			$bIsModifyAllowed = UserRights::IsActionAllowed($sClass, UR_ACTION_MODIFY, $oSet) && !MetaModel::IsReadOnlyClass($sClass);
 			$bIsBulkModifyAllowed = (!MetaModel::IsAbstract($sClass)) && UserRights::IsActionAllowed($sClass, UR_ACTION_BULK_MODIFY, $oSet) && !MetaModel::IsReadOnlyClass($sClass);
 			$bIsBulkDeleteAllowed = UserRights::IsActionAllowed($sClass, UR_ACTION_BULK_DELETE, $oSet) && !MetaModel::IsReadOnlyClass($sClass);
 			if (isset($aExtraParams['link_attr']))