Missing Controller

Error: Xtcore.jsController could not be found.

Error: Create the class Xtcore.jsController below in file: app/controllers/xtcore.js_controller.php

<?php
class Xtcore.jsController extends AppController {

	var $name = 'Xtcore.js';
}
?>

Notice: If you want to customize this error message, create app/views/errors/missing_controller.ctp