Page not found (404)

Request Method: GET
Request URL: https://www.cessionplus.com/annonce/2317-reims51100-arena-sport-station-plateaux-neufs/
Raised by: annonces.views.annonce

No Annonce 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.