Missing Controller

_Files_Controller could not be found

Additional Information

The system searched in the following paths:
- /home/stalfred/public_html/application/controllers
- /home/stalfred/public_html/core/libs/controllers

Request Information
controller: _files
action: ugd
params: 0 => a1be75_9da979dbb06d4629b6a8da492299ff5b.docx
url: dn => Adoration Sign-Up.docx