Missing Controller

Error: Tatarstan.Controller could not be found.

Error: Create the class Tatarstan.Controller below in file: neosphere/controllers/tatarstan.controller.php

<?php
class Tatarstan.Controller extends AppController {

	var $name = 'Tatarstan.';
}
?>

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