Page not found (404)

Request Method: GET
Request URL: http://creativemongolia.com/buteelch-kuen/%D0%B0%D1%8F%D0%BB%D0%B0%D0%BB-%D0%B6%D1%83%D1%83%D0%BB%D1%87%D0%BB%D0%B0%D0%BB/

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.