Missing Controller

Error: UserDataController could not be found.

Error: Create the class UserDataController below in file: sagasanight_tokyo/controllers/user_data_controller.php

<?php
class UserDataController extends AppController {

	var $name = 'UserData';
}
?>

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

Not Found: /home/sagasant/projects/cgi-bin/sagasanight_tokyo/views/elements/side_banner.ctp