If you see the above given error on your error logs, do this;
- Search Server Configuration on your WHM control panel, then click Apache Configuration icon. Open Include Editor.
- In the include editor page, click the drop-down option under Pre Main Include section and select 'All Versions'.
- You will see an empty text field titled Global, there paste the given below code,
<IfModule proxy_fcgi_module>
timeout 60
</IfModule>
And then click update.
This will probably help resolving the issue.