error 404 on Collabora Online Office

[remmedia]

Collabora Online Office is added ans shows "Collobra Online Developer Edition". Rights are set for the user group to write but
https://[domain]/wopi/edit/2/106802
throws an error "Uncaught exception: The item was not found at 2026-04-13T21:24:50+00:00"

[mschering]

I think your URL setting in System Settings -> General is incorrect in that case.