Missing Controller

Error: Duoi-15trController could not be found.

Error: Create the class Duoi-15trController below in file: app/controllers/duoi-15tr_controller.php

<?php
class Duoi-15trController extends AppController {

	var $name = 'Duoi-15tr';
}
?>

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