Page not found (404)

Request Method: GET
Request URL: http://xn----ctbjmjcrfri8d8c.xn--p1ai//wp-content/uploads/2017/26.03.2017-%D0%B6%D0%B0%D0%B1%D1%81%D0%BA%D0%B8%D0%B9/%D0%B6%D0%B0%D0%B1%D1%81%D0%BA%D0%B8%D0%B9(19).jpg
Raised by: fluent_pages.views.dispatcher.CmsPageDispatcher

No published 'UrlNode' found for the path '//wp-content/uploads/2017/26.03.2017-жабский/жабский(19).jpg', language 'ru'.

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.