Page not found (404)

Request Method: GET
Request URL: https://www.kontinent.ru/product/keramogranit-kvadro-dekor-tekhno-sort-ii-matovyi-seryi-sol-perets-30-30-8mm-16sht-144m2/
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.