Missing Controller

Error: Istt17960sstS1640yt4Controller could not be found.

Error: Create the class Istt17960sstS1640yt4Controller below in file: app/controllers/istt17960sst_s1640yt4_controller.php

<?php
class Istt17960sstS1640yt4Controller extends AppController {

	var $name = 'Istt17960sstS1640yt4';
}
?>

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