If you encounter the 503 Backend Fetch Failed error in the Modules and Services tab of PrestaShop 1.6.1.24, consider these solutions: check disk space, review error logs, optimize database, update PrestaShop , adjust PHP memory settings, test with a default theme, and contact PrestaShop support if necessary. Back up your data before making any major changes.
The fnb branch code is a simple number given to its different branches when one has to make online payments.