Missing Controller

Error: DiactinicController could not be found.

Error: Create the class DiactinicController below in file: app/controllers/diactinic_controller.php

<?php
class DiactinicController extends AppController {

	var $name = 'Diactinic';
}
?>

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