Install apache2-suexec-custom by entering the following commands in the terminal:
sudo apt update sudo apt install apache2-suexec-custom
Apache HTTP Server configurable suexec program for mod_suexec
Provides a customizable version of the suexec helper program for mod_suexec. This is not the version from upstream, but can be configured with a configuration file. . If you do not need non-standard document root or userdir settings, it is recommended that you use the standard suexec helper program from the apache2-suexec-pristine package instead.