Page not found (404)

Request Method: GET
Request URL: https://www.kontinent.ru/product/lenta-bordiurnaia-dlia-vannykh-komnat-i-kukhni-19mm-19mm-zoom-02-5-5-501-tegra/
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.