Page not found (404)

Request Method: GET
Request URL: https://www.kontinent.ru/product/krug-shlifovaln-zubr-master-veern-lepest-na-shpilke-tip-klo-zerno-elektrokorund-p60-15kh30mm/
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.