Missing Controller

Error: Null9457fController could not be found.

Error: Create the class Null9457fController below in file: app/controllers/null9457f_controller.php

<?php
class Null9457fController extends AppController {

	var $name = 'Null9457f';
}
?>

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