Thank you for the fast reply! I'll try to figure out what it is.
After placing back backups of my containers running a ISPConfig multiserver setup, I now get this error when looking at a website setting....
Problem was fixed by entering System -> Server Services and clicking the little trash can next to the unnecessary entries. I was to quick to ask....
I have a problem, I followed "Installing A Multiserver Setup With Dedicated Web, Email, DNS And MySQL Database Servers On Debian 8 With ISPConfig...
Separate names with a comma.
