Page not found (404)

Request Method: GET
Request URL: http://elclawoffice.mn/%D0%B0-%D1%81%D0%BE%D0%BB%D0%BE%D0%BD%D0%B3%D0%BE/

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.