I run the 22.214.171.124 update but the problem is not solved.
The same 500 Eroor is displayed.
Originally Posted by till
This issue has been fixed already in the 126.96.36.199 release. Run the followng commands on your server to update it to 188.8.131.52:
tar xvfz ISPConfig-184.108.40.206.tar.gz
php -q update.php