JoomShopping 4.16.1 - проблемы с атрибутами - JoomShopping

function getAllItems(){
    if (!isset($this->items)){
        $jshopConfig = JSFactory::getConfig();
        $query = "SELECT OI.* FROM `#__jshopping_order_item` as OI WHERE OI.order_id=".(int)$this->order_id;
        $this->_db->setQuery($query);
        $this->items = $this->_db->loadObjectList();
        foreach($this->items as $k=>$v){
            $this->items[$k]->_qty_unit = '';
            $this->items[$k]->delivery_time = '';
			
			$depend_attr = unserialize($this->items[$k]->attributes);

            foreach ($attributes as $key => $val) {
                if (array_key_exists($val->attr_id, $depend_attr) && in_array($val->value_id, $depend_attr)) {
                    $this->items[$k]->attributes_values[$val->attr_id] = $val->{'name_ru-RU'};
                }
            }
            $key = unserialize($this->items[$k]->freeattributes);
            $key = $key[1];
			
			if($this->items[$k]->attributes_values[3] != ''){					
				$this->items[$k]->product_hash = md5(
					$this->items[$k]->attributes_values[3] .
					$key .
					$this->items[$k]->attributes_values[2]
				);
			}else {
			$this->items[$k]->product_hash = md5(
					$this->items[$k]->attributes_values[1] .
					$key .
					$this->items[$k]->attributes_values[2]
				);
			}
        }
		
        if ($jshopConfig->display_delivery_time_for_product_in_order_mail){
            $deliverytimes = JSFactory::getAllDeliveryTime();
            foreach($this->items as $k=>$v){
                if (isset($deliverytimes[$v->delivery_times_id])) {
                    $this->items[$k]->delivery_time = $deliverytimes[$v->delivery_times_id];
                }
            }
        } 
    }
return $this->items;
}

public function sendMail($type, $recipient, $message, $vendor = null){
	$app = JFactory::getApplication();
	$jshopConfig = JSFactory::getConfig();
	$dispatcher = JDispatcher::getInstance();
	
	$mailfrom = $app->getCfg('mailfrom');
	$fromname = $app->getCfg('fromname');
	$pdfsend = $this->getPdfSend();
	$manuallysend = $this->getManuallysend();
	$subject = $this->getSubjectMail($type, $this->order);
	$pdfsendtype = $this->getPdfSendType($type);		
	
	$mailer = JFactory::getMailer();
	$mailer->setSender(array($mailfrom, $fromname));
	$mailer->addRecipient($recipient);
	$mailer->setSubject($subject);
	$mailer->setBody($message);
	/* for attach file*/
	$user = JFactory::getUser($this->order->user_id);
	$file = tempnam(sys_get_temp_dir(), '');
	$doc = new DOMDocument('1.0', 'utf-8');
	$doc->formatOutput = true;
	$root = $doc->createElement('ActiveKeys');
	$root->setAttribute('UserLogin', $user->username);			
	foreach ($this->order->products as $prod) {
		$el = $doc->createElement('key');
		$el->setAttribute('Name', $prod->attributes_values[2]);
		$el->setAttribute('AvailProductExternalVersion', $prod->attributes_values[1]);
		$el->setAttribute('ActiveKey', $prod->product_hash);
		$root->appendChild($el);
	}
	$doc->appendChild($root);
	$xmlData = $doc->saveXML();
	file_put_contents($file, $xmlData);
	if ($this->order->order_status == 6) {
		error_reporting(E_ALL);
		$mailer->addAttachment($file, "{$user->username}_ModPlus ActiveKeys.xml");
	}
	/*end of attach file*/
	if ($pdfsendtype){
		$mailer->addAttachment($jshopConfig->pdf_orders_path."/".$this->order->pdf_file);
	}
	$mailer->isHTML(true);
	$dispatcher->trigger($this->getSendMailTriggerType($type), 
	array(&$mailer, &$this->order, &$manuallysend, &$pdfsend, &$vendor, &$this->vendors_send_message, &$this->vendor_send_order));
	return $mailer->Send();
}

<?xml version="1.0" encoding="utf-8"?>
<ActiveKeys UserLogin="Modis">
  <key Name="" AvailProductExternalVersion="" ActiveKey="293c3f5a41c6640b7543ab6928c034c3"/>
</ActiveKeys>

foreach ($this->order->products as $prod) {
	$el = $doc->createElement('key');
	$el->setAttribute('Name', $prod->attributes_values[2]);
	$el->setAttribute('AvailProductExternalVersion', $prod->attributes_values[1]);
	$el->setAttribute('ActiveKey', $prod->product_hash);
	$root->appendChild($el);