app\ControllerProvider::error PHP Method

    public function error(\Exception $e, Request $request, $code)
    {
        if ($this->app['debug']) {
            return;
        }
        switch ($code) {
            case 404:
                $message = 'The requested page could not be found.';
                break;
            default:
                $message = 'We are sorry, but something went terribly wrong.';
        }
        return new Response($message, $code);
    }