Accessing the WordPress Toolkit via cPanel or WHM will report the following error message:
WordPress Toolkit failed to perform backend request. Response code: 502
Please contact your service provider.
Make sure that 'sw-engine' and 'sw-cp-server' services are up and running.
There are 2 services that WordPress Toolkit requires in order to function properly. If either service is offline you may see the message above.
Check the status of the services and attempt to start them up manually.
$SERVICE can be
systemctl status $SERVICE
systemctl start $SERVICE
service $SERVICE status
service $SERVICE start
If issues persist, feel free to contact our support.