Missing Method in RegistroController

You are seeing this error because the action js is not defined in controller RegistroController

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

Fatal: Confirm you have created the RegistroController::js() in file : app/controllers/registro_controller.php

<?php
class RegistroController extends AppController {
   function js() {
   }

}
?>