Missing Method in PostsController

You are seeing this error because the action rss.php is not defined in controller PostsController

If you want to customize this error message, create my/views/errors/missing_action.thtml.

Fatal: Confirm you have created the PostsController::rss.php() in file : my/controllers/posts_controller.php

<?php
class PostsController extends AppController {
   function rss.php() {
   }
}
?>