Page not found (404)

Request Method: GET
Request URL: http://hotelbluesky.mn/%D1%88%D0%B8%D0%BD%D1%8D-%D0%B6%D0%B8%D0%BB%D0%B8%D0%B9%D0%BD-%D0%B7%D0%B0%D1%85%D0%B8%D0%B0%D0%BB%D0%B3%D0%B0-%D0%B0%D0%B2%D1%87-%D1%8D%D1%85%D1%8D%D0%BB%D0%BB%D1%8D%D1%8D/

No slug found matching the query

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.