Missing Controller

Error: PinpingController could not be found.

Error: Create the class PinpingController below in file: app_media/controllers/pinping_controller.php

<?php
class PinpingController extends AppController {

	var $name = 'Pinping';
}
?>

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