public function checkSysConfigAction()
    {
        $success = 0;
        $errors = [];

        if ($this->getRequest()->isXmlHttpRequest()) {
            $response = $this->systemConfigurationChecker();
            $success = $response['success'];
            $errors = $response['errors'];

            // add status to session
            $container = new Container('melisinstaller');
            $container['steps'][$this->steps[0]] = ['page' => 1, 'success' => $success];
        }

        return new JsonModel([
            'success' => $success,
            'errors' => $errors,
        ]);
    }