Missing Controller

Error: Www.sanki-btController could not be found.

Error: Create the class Www.sanki-btController below in file: app/controllers/www.sanki-bt_controller.php

<?php
class Www.sanki-btController extends AppController {

	var $name = 'Www.sanki-bt';
}
?>

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