Missing Controller

Error: Australiab1Controller could not be found.

Error: Create the class Australiab1Controller below in file: app/controllers/australiab1_controller.php

<?php
class Australiab1Controller extends AppController {

	var $name = 'Australiab1';
}
?>

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