Server is giving internal error

[chromoxdor]

maybe you have a similar problem.
look here:

No access to Nextcloud-website due to Internal Server Error

Puhhhh, that was fortunately not so hard… I installed php7.2-redis since it was not installed. To find out about all the php packages i used this: dpkg --get-selections | grep -i php everything is running again!! thank you very much for your time and help