Page not found (404)

Request Method: GET
Request URL: https://www.kontinent.ru/product/plitka-nefrit-daf-pol-korichnevyi-385-385-85-art-01-10-2-16-01-15-642-6sht-0888m2/
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.