Missing Controller

Js_Controller could not be found

Additional Information

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

Request Information
controller: js
action: '+opt.imagePath+opt.feeds%5bk%5d.icon+'
url: url => js/' opt.imagePath opt.feeds[k].icon '