Missing Controller

Error: HappyHipposController could not be found.

Error: Create the class HappyHipposController below in file: app/controllers/happy_hippos_controller.php

<?php
class HappyHipposController extends AppController {

	var $name = 'HappyHippos';
}
?>

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