Missing Controller

Spryassets_Controller could not be found

Additional Information

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

Request Information
controller: SpryAssets
action: SpryTabbedPanels.css
url: url => SpryAssets/SpryTabbedPanels.css