back/methods/mrw-config/cancelShipment.js

@@ -39,8 +39,8 @@ module.exports = Self => {
         const xmlString = response.data;
         const parser = new DOMParser();
         const xmlDoc = parser.parseFromString(xmlString, 'text/xml');
-        const [resultElement] = xmlDoc.getElementsByTagName('Mensaje');
+        const resultElement = xmlDoc.getElementsByTagName('Mensaje')[0].textContent;
 
-        return resultElement.textContent;
+        return resultElement;
     };
 };

back/methods/mrw-config/createShipment.js

@@ -42,7 +42,8 @@ module.exports = Self => {
             throw new UserError(`Some mrwConfig parameters are not set`);
 
         const query =
-            `SELECT CASE co.code 
+            `SELECT 
+                CASE co.code 
                     WHEN 'ES' THEN a.postalCode
                     WHEN 'PT' THEN LEFT(a.postalCode, 4)
                     WHEN 'AD' THEN REPLACE(a.postalCode, 'AD', '00')