Index: branches/5.3.x/core/kernel/kbase.php
===================================================================
diff -u -N -r15928 -r16179
--- branches/5.3.x/core/kernel/kbase.php	(.../kbase.php)	(revision 15928)
+++ branches/5.3.x/core/kernel/kbase.php	(.../kbase.php)	(revision 16179)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: kbase.php 15928 2013-07-30 10:03:45Z alex $
+* @version	$Id: kbase.php 16179 2015-05-13 19:38:33Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -529,7 +529,7 @@
 
 		$form_data = $config->getFormByName($this->formName);
 
-		if ( !$form_data ) {
+		if ( $form_data === false ) {
 			trigger_error('Form "<strong>' . $this->formName . '</strong>" isn\'t declared in "<strong>' . $this->Prefix . '</strong>" unit config.', E_USER_NOTICE);
 		}
 		else {