Index: branches/5.2.x/core/units/categories/categories_event_handler.php
===================================================================
diff -u -N -r15260 -r15268
--- branches/5.2.x/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 15260)
+++ branches/5.2.x/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 15268)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: categories_event_handler.php 15260 2012-04-03 10:40:41Z alex $
+* @version	$Id: categories_event_handler.php 15268 2012-04-04 13:55:40Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -953,6 +953,19 @@
 					SET SymLinkCategoryId = NULL
 					WHERE SymLinkCategoryId = ' . $object->GetID();
 			$this->Conn->Query($sql);
+
+			// delete direct subscriptions to category, that was deleted
+			$sql = 'SELECT SubscriptionId
+					FROM ' . TABLE_PREFIX . 'SystemEventSubscriptions
+					WHERE CategoryId = ' . $object->GetID();
+			$ids = $this->Conn->GetCol($sql);
+
+			if ( $ids ) {
+				$temp_handler = $this->Application->recallObject('system-event-subscription_TempHandler', 'kTempTablesHandler');
+				/* @var $temp_handler kTempTablesHandler */
+
+				$temp_handler->DeleteItems('system-event-subscription', '', $ids);
+			}
 		}
 
 		/**