Fixed problem that an PartsContainingElement could not be deleted, if the sub elements contained parts.

Author: jbtronics

lib/Base/PartsContainingDBElement.php

@@ -118,7 +118,7 @@ public function delete($delete_recursive = false, $delete_files_from_hdd = false
         try {
             $transaction_id = $this->database->beginTransaction(); // start transaction
 
-            $parts = $this->getParts('id_category');
+            $parts = $this->getParts();
 
             if (count($parts) > 0) {
                 throw new Exception('Das Element enthält noch '.count($parts).' Bauteile!');