Page not found (404)

Request Method: GET
Request URL: https://www.kontinent.ru/product/polka-lider-2-kh-iarusnaia-ugl-reshetchataia-19-19-sm-art-4229k/
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.