Missing controller

You are seeing this error because controller Robots.txtController could not be found.

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

Fatal: Create the class below in file: webtool/controllers/robots.txt_controller.php

<?php
class Robots.txtController extends AppController {
   var $name = 'Robots.txt';
}
?>