Page not found (404)

Request Method: GET
Request URL: https://www.kontinent.ru/product/lampa-energosberegaiushchaia-master-sveta-20w-e27-art-t2-spc-20w-e27-4200/
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.