Page not found (404)

Request Method: GET
Request URL: http://polmaratonsolidarnosci.pl/aktualnosci/prezentujemy-projekt-koszulki-i-medalu-4-pko-polmaratonu-solidarnosci/prezentujemy-projekt-koszulki-i-medalu-4-pko-polmaratonu-solidarnosci/0,-4n,1,80

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.