Index: /branches/feature-module-update/data/class/pages/admin/order/LC_Page_Admin_Order.php
===================================================================
--- /branches/feature-module-update/data/class/pages/admin/order/LC_Page_Admin_Order.php	(revision 16741)
+++ /branches/feature-module-update/data/class/pages/admin/order/LC_Page_Admin_Order.php	(revision 16752)
@@ -103,5 +103,5 @@
 
         if($_POST['mode'] == 'delete') {
-            if(sfIsInt($_POST['order_id'])) {
+            if(SC_Utils_Ex::sfIsInt($_POST['order_id'])) {
                 $objQuery = new SC_Query();
                 $where = "order_id = ?";