Page not found (404)

Request Method: GET
Request URL: http://www.prato-musei.it/it/notizie-eventi/calendario-eventi-ottobre-2018-gennaio-2019/

CMS: Page not found for "notizie-eventi/calendario-eventi-ottobre-2018-gennaio-2019"

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.