@@ -15,7 +15,7 @@ $language_file = 'help';
require_once '../inc/global.inc.php';
-$help_name = Security::remove_XSS($_GET['open']);
+$help_name = isset($_GET['open']) ? Security::remove_XSS($_GET['open']) : null;
Display :: display_header(get_lang('Faq'));