X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=plugins%2Fadmin%2Fsystems%2Fclass_systemManagement.inc;h=4020c6b1a04479b59e130a69fef1a6be6b3a1ff9;hb=a0cb6455b7dfb51a937c24d043fabb4f31272629;hp=7962a9db167d6dd981e5541d93bea55255252f65;hpb=231aee6755d6df2e5c0029b801554a7a22225c87;p=gosa.git

diff --git a/plugins/admin/systems/class_systemManagement.inc b/plugins/admin/systems/class_systemManagement.inc
index 7962a9db1..4020c6b1a 100644
--- a/plugins/admin/systems/class_systemManagement.inc
+++ b/plugins/admin/systems/class_systemManagement.inc
@@ -422,8 +422,10 @@ class systems extends plugin
 
     /* Cancel dialogs */
     if (isset($_POST['edit_cancel']) || isset($_POST['password_cancel'])){
-      del_lock ($this->systab->dn);
-      unset ($this->systab);
+      if (isset($this->systab)){
+        del_lock ($this->systab->dn);
+        unset ($this->systab);
+      }
       $this->systab= NULL;
       unset($_SESSION['objectinfo']);
     }