public function getErrorMessage()
    {
        $app = Application::getFacadeApplication();
        $request = $app->make(Request::class);
        $ajax = $app->make(Ajax::class);
        if ($ajax->isAjaxRequest($request)) {
            return t("Invalid token. Please reload the page and retry.");
        } else {
            return t("Invalid form token. Please reload this form and submit again.");
        }
    }