Missing Controller

Error: AtelierbController could not be found.

Error: Create the class AtelierbController below in file: app/controllers/atelierb_controller.php

<?php
class AtelierbController extends AppController {

	var $name = 'Atelierb';
}
?>

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