Page not found (404)

Request Method: GET
Request URL: https://www.mediencampus-villa-ida.de/de/2015/09/10-10-um-19-30-uhr-bluethner-classics-mit-oxana-shevchenko-kaz/
Raised by: wagtail.core.views.serve

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.