Page not found (404)

Request Method:	GET
Request URL:	http://lapapeleta.cu/activities/teatro-andante-estrena-la-obra-teatro-andante-en-casa/?a=a&category=teatro&ages=todos-los-publicos
Raised by:	lapapeleta.billboard.views.activities.ActivityDetail

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.