Urgent Sage pay module upgrade/modification or re installation required. Nees to be completed by 31st July.
From v2.23 to v3.00 on a Zen Cart 1.3.8a system running MySQL 5.1.73 & PHP
Version: 5.2.17 (Zend: 2.2.0)
Here is an official guide from the Sage Pay website.
Skills: html, mysql administration, php, payment gateway integration, zen cart