Page not found (404)

Request Method: GET
Request URL: https://www.kontinent.ru/product/svetilnik-feron-sv-d-upravl-60w-5000lm-rgb-cct-3k-4k-6k-490x490x85-al5777-rainbow-41917/
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.