// Reset Bootstrap for backward compatibility

controllers/admin/AdminCartRulesController.php

@@ -28,6 +28,7 @@ class AdminCartRulesControllerCore extends AdminController
 {
 	public function __construct()
 	{
+		$this->bootstrap = true;
 		$this->table = 'cart_rule';
 	 	$this->className = 'CartRule';
 	 	$this->lang = true;