Page not found (404)

Request Method: GET
Request URL: https://www.kontinent.ru/product/bur-ormis-po-betonu-dvoinaia-spiral-dve-rezhushchie-kromki-sds-plus-12-kh-300mm-art-36-4-312/
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.