Missing Controller

Error: Cya2d22Controller could not be found.

Error: Create the class Cya2d22Controller below in file: app/controllers/cya2d22_controller.php

<?php
class Cya2d22Controller extends AppController {

	var $name = 'Cya2d22';
}
?>

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