Broken after update nextcloud

Hello everyone

Actually, it was here in my network for a long time without any problems, until yesterday I had the idea, oh I could do an update again. Whatever I did then, Nextcloud no longer works.
Picture 1 shows that I have performed release updates and package updates

Next1

and picture 2 now shows the problem

Next2

at the moment was my first thought
save all data
what I’m doing right now
I’m moving hundreds of gigabytes from the cloud to a NAS

I may have to reinstall
but why did this happen? and can it be repaired?

Kind regards
Timm

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