Ошибка Fatal error: Call to undefined method JUtility::getHash() на Joomla 3.0 - K2

Fatal error: Call to undefined method JUtility::getHash() in ...\administrator\components\com_k2\models\item.php on line 997

Fatal error: Call to undefined method JUtility::getHash() in ...\components\com_k2\models\item.php on line 1333

function getAttachments($itemID)
    {

        $db = JFactory::getDBO();
        $query = "SELECT * FROM #__k2_attachments WHERE itemID=".(int)$itemID;
        $db->setQuery($query);
        $rows = $db->loadObjectList();
        foreach ($rows as $row)
        {
            $row->link = JRoute::_('index.php?option=com_k2&view=item&task=download&id='.$row->id.'_'.JUtility::getHash($row->id));        
}
        return $rows;

    }

Joomla 3.0 is recommended for more experienced users and developers.

Joomla! released 3.0.1 just yesterday so don't be surprise for a 2.6.2 in the weeks to come

	 * @deprecated  12.1 Use JApplication::getHash() instead.
	 * @see     JApplication::getHash()
	 * @since   11.1