Index: branches/5.1.x/units/sections/section_eh.php
===================================================================
diff -u -N -r13558 -r13873
--- branches/5.1.x/units/sections/section_eh.php	(.../section_eh.php)	(revision 13558)
+++ branches/5.1.x/units/sections/section_eh.php	(.../section_eh.php)	(revision 13873)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: section_eh.php 13558 2010-05-12 09:17:46Z alex $
+* @version	$Id: section_eh.php 13873 2010-08-28 20:34:54Z alex $
 * @package	In-Commerce
 * @copyright	Copyright (C) 1997 - 2010 Intechnic. All rights reserved.
 * @license	Commercial License
@@ -92,7 +92,7 @@
 			$grids['Default']['Fields'] = array_merge_recursive2($grids['Default']['Fields'], $new_columns);
 			$this->Application->setUnitOption($event->MasterEvent->Prefix, 'Grids', $grids);
 
-			if (!$this->Application->isAdmin) {
+			if (!$this->Application->isAdmin && is_object($this->Application->siteDomain)) {
 				// re-configure object, because it's recalled before kUnitConfigReader::AfterConfigRead is called
 				$this->Application->siteDomain->defineFields();
 			}