public function getErrorMessage()
    {
        $message = $this->getDebugMessage();
        $message .= '<font color="red">ERROR START</font><br>';
        foreach ($this->errorMessage as $items) {
            $message .= "-----------------------------------------------------------------------------------<br>";
            if (is_array($items) || is_object($items)) {
                $message .= "<pre>";
                $message .= $items;
                $message .= "</pre>";
            } elseif (!is_array($items) && !is_object($items)) {
                $message .= $items . '<br/>';
            }
            $message .= "-----------------------------------------------------------------------------------<br>";
        }
        $message .= '<font color="red">ERROR END</font><br>';
        iconv(mb_detect_encoding($message, mb_detect_order(), true), "UTF-8", $message);
        return $message;
    }