Page not found (404)

Request Method: GET
Request URL: http://www.kolechko.ru/category/stomatologicheskij-i-hirurgicheskij-medicinskij-instrument-sammar-international-pakistan/

No ProductCategory matches the given query.

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.