Missing Controller

Store_Controller could not be found

Additional Information

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

Request Information
controller: store
action: cart
params: 0 => add
named: product_id => 118
url: url => store/cart/add/product_id:118/