Index: trunk/admin/index.php
===================================================================
diff -u -N -r6647 -r7391
--- trunk/admin/index.php	(.../index.php)	(revision 6647)
+++ trunk/admin/index.php	(.../index.php)	(revision 7391)
@@ -4,6 +4,9 @@
 
 define('ADMIN', 1);
 define('FULL_PATH', realpath(dirname(__FILE__).'/..') );
+if (!file_exists(FULL_PATH.'/core/kernel/application.php')) {
+	die('Please re-checkout _inportal_kernel4 cvs module into the root directory ('.FULL_PATH.') and remove kernel/kernel4 folder. Make sure to checkout correct branch (RC or HEAD).');
+}
 include_once(FULL_PATH.'/core/kernel/startup.php');
 
 /*