Page not found (404)

Request Method: GET
Request URL: https://www.kontinent.ru/product/krug-otreznoi-zubr-master-abrazivnyi-po-metallu-dlia-ushm-115-x-12-mm-art-36300-115-1-2/
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.