Index: trunk/kernel/include/portalgroup.php
===================================================================
diff -u -r13 -r271
--- trunk/kernel/include/portalgroup.php	(.../portalgroup.php)	(revision 13)
+++ trunk/kernel/include/portalgroup.php	(.../portalgroup.php)	(revision 271)
@@ -473,7 +473,7 @@
       global $objSession;
 
       $edit_table = $objSession->GetEditTable($this->SourceTable);
-      @$this->adodbConnection->Execute("DROP TABLE $edit_table");
+      @$this->adodbConnection->Execute("DROP TABLE IF EXISTS $edit_table");
 
       $sql = "DELETE FROM ".GetTablePrefix()."UserGroup WHERE GroupId<1";
       $this->adodbConnection->Execute($sql);