Index: branches/5.2.x/core/kernel/db/db_event_handler.php
===================================================================
diff -u -N -r16692 -r16698
--- branches/5.2.x/core/kernel/db/db_event_handler.php	(.../db_event_handler.php)	(revision 16692)
+++ branches/5.2.x/core/kernel/db/db_event_handler.php	(.../db_event_handler.php)	(revision 16698)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: db_event_handler.php 16692 2021-08-31 09:24:09Z alex $
+* @version	$Id: db_event_handler.php 16698 2022-07-08 12:55:36Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -1730,7 +1730,9 @@
 				$table_info = $object->getLinkedInfo();
 			}
 
-			$object->SetDBField($table_info['ForeignKey'], $table_info['ParentId']);
+			if ( $table_info !== false ) {
+				$object->SetDBField($table_info['ForeignKey'], $table_info['ParentId']);
+			}
 
 			$event->redirect = false;
 		}