Page not found (404)

Request Method: GET
Request URL: http://www.pis.bydgoszcz.pl/aktualno%C5%9Bci/pos%C5%82owie-pis-ewa-kozanecka-i-tomasz-latos-om%C3%B3wili-pomoc-rz%C4%85dow%C4%85-dla-przedsi%C4%99wzi%C4%99%C4%87-w-obszarze-kultury-w-naszym-mie%C5%9Bcie/
Raised by: wagtail.wagtailcore.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.