Paperless-ngx installed with umbrel. Login how

from the umbrel desktop (running on Pi 4) installed the paperless-ngx app. the first screen opend with a login field. What user und password is to use??? How I can get to start? I tried the umbrell password. It doesn’t work. Any idea, what to do?

I got it:
Hi @chocksmith

To find the credentials, please right-click the app on the main dashboard.