Missing Method in StatsController

You are seeing this error because the action index is not defined in controller StatsController

If you want to customize this error message, create app/views/errors/missing_action.thtml.

Fatal: Confirm you have created the StatsController::index() in file : app/controllers/stats_controller.php

<?php
class StatsController extends AppController {
   function index() {
   }
}
?>