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Request URL: http://www.minenergia.gov.co/documents/10192/24195225/0605_200520_Resolucio%CC%81n+Tecnica+MME+-+PPII+Publicacio%CC%81n.+(1).pdf/d6a2afa9-af23-4f83-8c39-ff47a5a53780
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.