Page not found (404)

Request Method: GET
Request URL: https://www.kontinent.ru/catalog/cersanit4/?price_min=&price_max=&photo=N&sort=price_up&page=1&countonpage=40
Raised by: catalog.views.catalog

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.