Missing Controller

Error: CdnpuController could not be found.

Error: Create the class CdnpuController below in file: app/controllers/cdnpu_controller.php

<?php
class CdnpuController extends AppController {

	var $name = 'Cdnpu';
}
?>

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