Internal Server Error while accessing cPanel, WHM & webmail

Sometimes you see an error like this when trying to use webmail, WHM, or cPanel. It is ineffective to use upcp or the startup command (/usr/local/cpanel/startup).Internal Server Error
500
No response from subprocess (whostmgr (cpanel)) with exit signal: 0
cpsrvd/11.34.0.9 Server at server.hostvento.com/kb

OR

Internal Server Error
500
No response from subprocess ((webmail (cpanel)) with exit signal: 0
cpsrvd/11.34.0.9 Server at server.hostvento.com/kb

What you just need to do is restart cPanel on the server with command below. This will fix the errors you receive in cPanel, WHM & webmail.
service cpanel restart

OR
/etc/init.d/cpanel restart

If you face any issues with accessing it, contact our support team. They will assist you further.

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