Page not found (404)

Request Method: GET
Request URL: http://mamyciuklubas.lt/admin/content/article/43817/%20https:/goo.gl/xynB0u
Raised by: content.views.category_article

No Category matches the given 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.