The web interface on the still logged-in browser session works 100% fine. No issues browsing files, using apps, etc.
All of the Nextcloud app clients that sync against nextcloud (Linux/Windows) with their existing creds work fine.
Date/time/timezone are synced with client PCs
Misread the log entry.
When logging in, this is logged:
method: POST
url: /login
message: Logout occurred
I don’t know why a call to the /login endpoint would be logging a message about logging out
-R