Ispconfig does not update expired certificate

Hi,

My ispconfig does not update the expired let's encrypt certificates automatically.
If I do it by manually (turn off and turn on let's encrypt) then it working fine.

What have I check to find the problem?

Thanks in advance
Tibor

 

Follow instructions from https://forum.howtoforge.com/threads/please-read-before-posting.58408/
It has section about Let's Encrypt.