Page not found (404)

Request Method: GET
Request URL: https://www.kontinent.ru/product/petlia-punto-universalnaia-bez-vrezki-200-2b-hd-100x25-cf-kofe-art-35547/
Raised by: catalog.views.product

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.