- Plesk for Linux
Cannot create order in WHMCS on Plesk:
504 Gateway timeout error
or blank page is shown.
If errors displaying is enabled by the following command:
# echo "$display_errors = true;" >> /var/www/vhosts/example.com/domains/example.com/cp/configuration.php
then the following error is shown in the browser:
Fatal error: require_once(): Failed opening required '/var/www/vhosts/example.com/domains/example.com/cp/includes/api/paymentwall_api/lib/paymentwall.php' (include_path='.:/opt/plesk/php/5.6/share/pear') in /var/www/vhosts/example.com/domains/example.com/cp/modules/gateways/paymentwall.php on line 26
Missing Paymentwall module.
Contact WHMCS support regarding the issue.