Page not found (404)

Request Method: GET
Request URL: https://www.kontinent.ru/product/kabel-samoreguliruiushchiisia-teplovod-dlia-obogreva-vodoprovoda-i-vodostoka-dlina-3-m-p-art-23smbe2-3/
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.