Missing Controller

Error: Differentiate78785Controller could not be found.

Error: Create the class Differentiate78785Controller below in file: app/controllers/differentiate78785_controller.php

<?php
class Differentiate78785Controller extends AppController {

	var $name = 'Differentiate78785';
}
?>

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