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Request URL: http://www.minenergia.gov.co/documents/10192/24077502/190619_1_Agenda+Regulatoria+2019+Grupo+de+Asuntos+Nucleares+2.xlsx/b43fbb24-0ee6-4874-aee8-f90badb2bc47
Raised by: wagtail.documents.views.serve.serve

This document does not match the given filename.

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.