Hello,
I've this problem...I don't kwnow why. I have try to find a solution...
When I try to see an album having clicked " espace privé " it marks it:

Fatal error: Class 'JCategories' not found in /homepages/9/d359498403/htdocs/2014photographe/components/com_eventgallery/helpers/categories.php on line 22

Thanks a lot!

<?php
/**
* @package Sven.Bluege
* @subpackage com_eventgallery
*
* @copyright Copyright (C) 2005 - 2013 Sven Bluege All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;

/**
* Eventgallery Component Category Tree
*
*/
class EventgalleryCategories extends JCategories
{
public function __construct($options = array())
{
$options['table'] = '#__eventgallery_folder';
$options['extension'] = 'com_eventgallery';
$options['statefield'] ='published';
parent::__construct($options);
}
}

Thank you in advance!