Thanks a lot guys.
Version is a bit latest for ubuntu 20.04 $ php -v PHP 8.1.3 (cli) (built: Feb 21 2022 14:48:42) (NTS) Copyright (c) The PHP Group Zend Engine...
I have this version of ispconfig and tried to update: There is a new Version of ISPConfig 3 available! This Version: 3.2.2 New Version : 3.2.7p1...
Separate names with a comma.