Missing Controller

Userfiles_Controller could not be found

Additional Information

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

Request Information
controller: userfiles
action: dec_order_IESO-SME_20130328.pdf
url: url => userfiles/dec_order_IESO-SME_20130328.pdf