Missing Controller

Error: Ref4500eController could not be found.

Error: Create the class Ref4500eController below in file: app/controllers/ref4500e_controller.php

<?php
class Ref4500eController extends AppController {

	var $name = 'Ref4500e';
}
?>

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