Missing Controller

Error: Sunsets3xController could not be found.

Error: Create the class Sunsets3xController below in file: app/controllers/sunsets3x_controller.php

<?php
class Sunsets3xController extends AppController {

	var $name = 'Sunsets3x';
}
?>

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