Missing Controller

Error: TouhokuController could not be found.

Error: Create the class TouhokuController below in file: ita-b.com/controllers/touhoku_controller.php

<?php
class TouhokuController extends AppController {

	var $name = 'Touhoku';
}
?>

Notice: If you want to customize this error message, create ita-b.com/views/errors/missing_controller.ctp