Missing Controller

Error: VivadivaController could not be found.

Error: Create the class VivadivaController below in file: app/controllers/vivadiva_controller.php

<?php
class VivadivaController extends AppController {

	var $name = 'Vivadiva';
}
?>

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