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Some or all of the below information will be requested if it isn’t supplied; for fastest response please provide as much as you can 
Nextcloud version (eg, 20.0.5): 19.0.5 Update to 19.0.13
Operating system and version (eg, Ubuntu 20.04): Ubuntu 20.04
Apache or nginx version (eg, Apache 2.4.25): nginx
PHP version (eg, 7.4): fpm 7.4
The issue you are facing: Update error (db) on updating nextcloud, can’t update music
Is this the first time you’ve seen this error? (Y/N): y
The output of your Nextcloud log in Admin > Logging:
can't access log
Hey Guys,
i ran into an Error while updateing nextcloud 19.0.5 to 19.0.13, i did it with the normal online updater and all worked well, till the Error ( i think it has something to do with the DB, will post a screenshot down below) occured. It appared after i clicked start update on the Window where it says that the app Music requires an update. 
This Error occured:
Hope you can help me,
thanks Chickentom