Page not found (404)

Request Method: GET
Request URL: https://www.kontinent.ru/product/plitka-cersanit-terra-mnogotsvetnaia-stena-20-30-art-c-tbk451d/
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.