Page not found (404)

Request Method:	GET
Request URL:	http://mb31.ru/wp-content/uploads/2018/10/ecoformat-5.jpg
Raised by:	fluent_pages.views.dispatcher.CmsPageDispatcher

No published 'UrlNode' found for the path '/wp-content/uploads/2018/10/ecoformat-5.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.