Thanks, the solution was to create a php.ini with a corresponding entry. Now it’s working. thanks
Yes, LSAPI / Cloudlinus was the suggested one.
I tried Lightspeed. now the following error message appears.
Oops! Full WAF mode is not enabled yet.
Make sure your HTTP server support the php_value auto_prepend_file directive in .htaccess files. Maybe you need to restart your HTTP server to apply the change, or simply to wait a few seconds and reload this page?