Page not found (404)

Request Method: GET
Request URL: http://school4pv.ru/material/novosti-stranitsyi-press-tsentra-vkontakte/
Raised by: freycms.views.material_by_slug

No Material 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.