Page not found (404)

Request Method: GET
Request URL: http://praktika-rus.ru/product/bita-otvertochnaya-praktika-profi-dvustoronnyaya-ph-2--pz-2-h-60mm-2sht-blister/
Raised by: apps.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.