Page not found (404)

Request Method: GET
Request URL: http://www.birh.cl/notas-y-informes/%C3%ADndice-de-informe-sobre-evoluci%C3%B3n-clim%C3%A1tica-marzo-2018/
Raised by: wagtail.wagtailcore.views.serve

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.