Page not found (404)

Request Method: GET
Request URL: http://rentautobus.com/countries/germany/brandenburg-bundesland/potsdam/bus-companies/item4334
Raised by: main.views.CityInfoView

There is no bus companies in here yet

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.