Il manquait quelques fichiers dans Git

local/modules/CreditNote/Helper/CreditNoteHelper.php

@@ -0,0 +1,26 @@
+<?php
+/*************************************************************************************/
+/*      This file is part of the module CreditNote                                   */
+/*                                                                                   */
+/*      For the full copyright and license information, please view the LICENSE.txt  */
+/*      file that was distributed with this source code.                             */
+/*************************************************************************************/
+
+namespace CreditNote\Helper;
+
+/**
+ * @author Gilles Bourgeat >gilles.bourgeat@gmail.com>
+ */
+class CreditNoteHelper
+{
+    const STATUS_PROPOSED = 'proposed';
+    const STATUS_REFUSED = 'refused';
+    const STATUS_ACCEPTED = 'accepted';
+    const STATUS_USED = 'used';
+
+    const TYPE_ORDER_FULL_REFUND = 'order_full_refund';
+    const TYPE_BACK_PRODUCT = 'back_product';
+    const TYPE_BILLING_ERROR = 'billing_error';
+    const TYPE_REBATE = 'rebate';
+    const TYPE_DISCOUNT = 'discount';
+}