You are seeing this error because controller MapaController could not be found.
Notice: this error is being rendered by the app/views/errors/missing_controller.thtml
view file, a user-customizable error page for handling invalid controller dispatches.
Fatal: Unable to load controller MapaController
Fatal: Create Class:
<?php
class MapaController extends AppController
{
var $name = 'Mapa';
}
?>
in file : app/controllers/mapa_controller.php