Missing controller

You are seeing this error because controller Article-vttController could not be found.

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

Fatal: Create the class below in file : app/controllers/article-vtt_controller.php

<?php
class Article-vttController extends AppController {
   var $name = 'Article-vtt';
}
?>