Can't get to admin page?

This was working the last time I tried (maybe a month or so ago).

I’ve updated to 12.0.3, and get the following error when trying to go to the Admin page:

Internal Server Error
The server encountered an internal error and was unable to complete your request.
Please contact the server administrator if this error reappears multiple times, please include the technical details below in your report.
More details can be found in the server log.

Technical details
Remote Address:
Request ID: We35r@Uw0Ul2ivxscPlS5QAAAQM

Boy do I feel dumb

In $NCROOT/data/nextcloud.log, there was an error that the OnlyOffice app was broken

removed that app, and I can login to the Admin panel