Page not found (404)

Request Method: GET
Request URL: http://xn----ctbjmjcrfri8d8c.xn--p1ai/portfolio/%D0%B3%D0%B0%D0%BB%D0%B5%D1%80%D0%B5%D1%8F-2017.html
Raised by: fluent_pages.views.dispatcher.CmsPageDispatcher

No published 'UrlNode' found for the path '/portfolio/галерея-2017.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.