Update from 4.4.10 to 5.0.4 Tipps - Manual is incomplete

Thats the reason: “root@mautic01” you do everything as “root” user. Thats why the files will be owned by root and your web server has no access on those files.

As I just mentioned in the other topic: Rights problem at installatioin, delete cache, and some strange things over night - #2 by dirk_s … its the problem how you set up your web server - it has nothing to do with Mautic itself.