Page not found (404)

Request Method: GET
Request URL: http://lernzielkatalog-medizin.at/activities/11/?page=1
Raised by: LZK.views.ActivityView

Konnte keine Tätigkeit mit diesen Parametern finden.

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.