Index: trunk/kernel/include/category.php
===================================================================
diff -u -N -r3282 -r3330
--- trunk/kernel/include/category.php	(.../category.php)	(revision 3282)
+++ trunk/kernel/include/category.php	(.../category.php)	(revision 3330)
@@ -112,7 +112,8 @@
   {  	
   	global $objSession;
   	//print_pre($_POST);
-
+	if (!isset($this->Data[$name]) ) return false;
+	
 	if ($this->Data[$name] != $value) {		
 		//echo "$name Modified tt ".$this->Data[$name]." tt $value<br>";
 		if (!stristr($name, 'Modif') && !stristr($name, 'Created')) {