Page not found (404)

Request Method: GET
Request URL: https://www.kontinent.ru/product/rezhushchii-element-stayer-dlia-plitkorezov-art-3307-khkh-3318-khkh-22-2mm-art-3320-22/
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.