Page not found (404)

Request Method: GET
Request URL: http://xn----ctbjmjcrfri8d8c.xn--p1ai/%25D1%2584%25D0%25B5%25D1%2581%25D1%2582%25D0%25B8%25D0%25B2%25D0%25B0%25D0%25BB%25D0%25B8_%25D0%25B8_%25D0%25BA%25D0%25BE%25D0%25BD%25D0%25BA%25D1%2583%25D1%2580%25D1%2581%25D1%258B/%25D0%25BC%25D0%25B0%25D1%2581%25D0%25BB%25D0%25B5%25D0%25BD%25D0%25B8%25D1%2586%25D0%25B0.html
Raised by: fluent_pages.views.dispatcher.CmsPageDispatcher

No published 'UrlNode' found for the path '/%D1%84%D0%B5%D1%81%D1%82%D0%B8%D0%B2%D0%B0%D0%BB%D0%B8_%D0%B8_%D0%BA%D0%BE%D0%BD%D0%BA%D1%83%D1%80%D1%81%D1%8B/%D0%BC%D0%B0%D1%81%D0%BB%D0%B5%D0%BD%D0%B8%D1%86%D0%B0.html', 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.