Как вывести переменную в панели администратора? - [VM2&3] Общие вопросы и ошибки

<?php
                    echo $order->dataj;

 ?>

<?php

           
                      echo $order->['details']['BT']->dataj;
 ?>

<?php echo $order->order_email; ?>

class VirtueMartModelOrders extends VmModel {

	/**
	 * constructs a VmModel
	 * setMainTable defines the maintable of the model
	 * @author Max Milbers
	 */
	function __construct() {
		parent::__construct();
		$this->setMainTable('orders');
		$this->addvalidOrderingFieldName(array('dataj','order_name','order_email','payment_method','virtuemart_order_id' ) );

	}

 echo $order->dataj; 

$select = " o.*, CONCAT_WS(' ',u.first_name,u.middle_name,u.last_name) AS order_name "
		.',u.email as order_email,pm.payment_name AS payment_method ';

$select = " o.*, CONCAT_WS(' ',u.first_name,u.middle_name,u.last_name) AS order_name "
		.', u.dataj, u.email as order_email,pm.payment_name AS payment_method ';

$select = " o.*, CONCAT_WS(' ',u.first_name,u.middle_name,u.last_name) AS order_name "
		.', u.dataj, u.email as order_email,pm.payment_name AS payment_method ';

echo $this->dataj; 

 
echo $order->name;
echo $order->username;

 $select = " o.*, CONCAT_WS(' ',u.first_name,u.middle_name,u.last_name) AS order_name "
		.',u.username, u.name, u.dataj, u.email as order_email,pm.payment_name AS payment_method ';

<?php
echo $order->name;
echo $order->username;
?>

vmError: exeSortSearchListQuery Unknown column 'u.username' in 'field list' SQL=SELECT SQL_CALC_FOUND_ROWS o.*, CONCAT_WS(' ',u.first_name,u.middle_name,u.last_name) AS order_name ,u.username, u.name, u.dataj, u.email as order_email,pm.payment_name AS payment_method FROM calcbook_virtuemart_orders as o LEFT JOIN calcbook_virtuemart_order_userinfos as u ON u.virtuemart_order_id = o.virtuemart_order_id AND u.address_type="BT" LEFT JOIN calcbook_virtuemart_paymentmethods_ru_ru as pm ON o.virtuemart_paymentmethod_id = pm.virtuemart_paymentmethod_id WHERE ( o.virtuemart_vendor_id = "1" ) ORDER BY order_name DESC LIMIT 0, 20

<?php echo $row->username; ?>
<?php echo $row->name; ?>

<?php
echo $order->name;
echo $order->username;
?>

<?php 
echo $row->username;
echo $row->name; 
?>

<?php
echo $this->sort('ju.name', 'COM_VIRTUEMART_USER_DISPLAYED_NAME');
echo $this->sort('ju.username', 'COM_VIRTUEMART_USERNAME');
 ?>

u.virtuemart_user_id

 $select = " o.*, CONCAT_WS(' ',u.first_name,u.middle_name,u.last_name) AS order_name "
		.', u.virtuemart_user_id, u.dataj, u.email as order_email,pm.payment_name AS payment_method ';

<?php
echo $order->virtuemart_user_id;
?>

echo JFactory::getUser($order->virtuemart_user_id)->username;

<?php echo JFactory::getUser($order->virtuemart_user_id)->username;?> &nbsp;-&nbsp;
<?php echo JFactory::getUser($order->virtuemart_user_id)->name;?>

<?php
echo $order->ofis_ispolnitel;
?>

<?php echo $order->payment_method; ?>

 echo JHTML::_ ('link', JRoute::_ ($link, FALSE), $order->ofis_ispolnitel, array('title' => JText::_ ('Внести изменения в заказ'). ' ' . $order->ofis_ispolnitel));

<?php
echo $order->ofis_ispolnitel;
?>

if(!class_exists('VirtueMartModelUserfields')) require(JPATH_VM_ADMINISTRATOR.DS.'models'.DS.'userfields.php' );
$model = new VirtueMartModelUserfields;
$list = $model->getUserfieldsList();
foreach ($list as $item)
{
	if($item->name == 'ofis_ispolnitel')
		$title = JText::_($item->title); 
}	
echo $title;

	public function getOrdersList($uid = 0, $noLimit = false)
	{
// 		vmdebug('getOrdersList');
		$this->_noLimit = $noLimit;

        $select = " o.*, CONCAT_WS(' ',u.first_name,u.middle_name,u.last_name) AS order_name "
		.', u.virtuemart_user_id, u.dataj, u.time, u.last_name_2, u.ofis_ispolnitel, u.email as order_email,pm.payment_name AS payment_method ';

		$from = $this->getOrdersListQuery();
		/*		$_filter = array();
		 if ($uid > 0) {
		$_filter[] = ('u.virtuemart_user_id = ' . (int)$uid);
		}*/

echo JHTML::_ ('link', JRoute::_ ($link, FALSE), $order->ofis_ispolnitel, array('title' => JText::_ ('Внести изменения в заказ'). ' ' . $order->ofis_ispolnitel));

echo JHTML::_ ('link', JRoute::_ ($link, FALSE), $order->ofis_ispolnitel, array('title' => JText::_ ('Внести изменения в заказ'). ' ' . $order->ofis_ispolnitel)); 

 echo $order->shipment_method;

echo $order->payment_method

echo JFactory::getUser($order->virtuemart_shipmentmethod_id)->shipment_name;

 echo JText::_ ($order->virtuemart_shipmentmethod_id)->shipment_name; 

echo $order->virtuemart_shipmentmethod_id;

echo $order->virtuemart_shipmentmethod_id->shipment_name;  

require_once(JPATH_VM_ADMINISTRATOR.DS.'models'.DS.'shipmentmethod.php');
$shipmentModel = VmModel::getModel('Shipmentmethod');
$shipmentModel->_id = $order->virtuemart_shipmentmethod_id;
$shipment = $shipmentModel->getShipment();
echo $shipment->shipment_name;

vmError: exeSortSearchListQuery Unknown column
'u.last_name_2' in 'field list' SQL=SELECT SQL_CALC_FOUND_ROWS o.*,
CONCAT_WS(' ',u.first_name,u.middle_name,u.last_name)
AS order_name , u.virtuemart_user_id, u.dataj, u.time, u.last_name_2, u.ofis_ispolnitel, u.email as order_email,pm.payment_name AS payment_method
 FROM calcbook_virtuemart_orders as o LEFT JOIN calcbook_virtuemart_order_userinfos as u
 ON u.virtuemart_order_id = o.virtuemart_order_id AND u.address_type="BT"
  LEFT JOIN calcbook_virtuemart_paymentmethods_ru_ru as pm ON o.virtuemart_paymentmethod_id = pm.virtuemart_paymentmethod_id WHERE ( o.virtuemart_vendor_id = "1" ) ORDER BY created_on DESC LIMIT 0, 50