500 internal error - cPanel version 68.0.23

[omitti]

Hi
This error has been shown after install plugin and go to WHM>Plugins > Let's Encrypt :
Internal Server Error
500
No response from subprocess (/usr/local/cpanel/whostmgr/docroot/cgi/letsencrypt/letsencrypt.pl): The subprocess reported error number 51489713164 when it ended.

How can I solve? already tried to unistall and reinstall and problem has not been solved.

[mauamolat]

How do we uninstall this?

[mepjnik]

Hi,

This fixed my issue:

Login WHM > Tweak Setting > Security > Allow deprecated WHM accesshash authentication > Enable ( On )