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Request URL: http://www.minenergia.gov.co/documents/10180/23732651/OCI-Inf.106-2016+Seguimiento+al+Plan+Anti+a+-Dic-2016+(1).pdf/f51cfc6e-b18b-497b-a7ff-864870122451
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.