Page not found (404)

Request Method: GET
Request URL: http://www.gatsuurt.mn/%D1%81%D0%BB%D0%B0%D0%B9%D0%B4-3/

Шүүлтүүрт таарах slug олдсонгүй

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.