Missing Controller

Error: WolfenbüttelController could not be found.

Error: Create the class WolfenbüttelController below in file: app/controllers/wolfenbüttel_controller.php

<?php
class WolfenbüttelController extends AppController {

	var $name = 'Wolfenbüttel';
}
?>

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