Page not found (404)

Request Method: GET
Request URL: http://ob-dobr.ru/ru-RU/logika-zakony-pravilnogo-myshleniya/zakon-isklyuchenogo-tretego/

CMS: Page not found for "ru-RU/logika-zakony-pravilnogo-myshleniya/zakon-isklyuchenogo-tretego"

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.