Page not found (404)

Request Method: GET
Request URL: http://ecrc.mn/%D0%BC%D0%BE%D0%BD%D0%B3%D0%BE%D0%BB-%D1%83%D0%BB%D1%81%D1%8B%D0%BD-%D3%A9%D1%80%D1%81%D3%A9%D0%BB%D0%B4%D3%A9%D1%85-%D1%87%D0%B0%D0%B4%D0%B2%D0%B0%D1%80%D1%8B%D0%BD-%D1%82%D0%B0%D0%B9%D0%BB%D0%B0%D0%BD-2013-%D1%85%D1%83%D1%83%D0%B4%D0%B0%D1%81/

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.