Проблема с подключением Fieldser - Joomla 4.x: Шаблоны, разметка и макеты вывода

use \Joomla\Component\Fields\Administrator\Helper\FieldsHelper;

use \Joomla\CMS\User;
use \Joomla\CMS\Factory;

define('_JEXEC',1);
define('DS',DIRECTORY_SEPARATOR);
define('JPATH_BASE',$_SERVER['DOCUMENT_ROOT']);
require_once(JPATH_BASE . DS .'includes'. DS .'defines.php');
require_once(JPATH_BASE . DS .'includes'. DS .'framework.php');

use \Joomla\CMS\Factory; // ВИДИТ
$container = \Joomla\CMS\Factory::getContainer();
$container->alias('session.web', 'session.web.site')
	->alias('session', 'session.web.site')
	->alias('JSession', 'session.web.site')
	->alias(\Joomla\CMS\Session\Session::class, 'session.web.site')
	->alias(\Joomla\Session\Session::class, 'session.web.site')
	->alias(\Joomla\Session\SessionInterface::class, 'session.web.site');
$app = $container->get(\Joomla\CMS\Application\SiteApplication::class);
\Joomla\CMS\Factory::$application = $app;

$user = Factory::getUser();
$session = Factory::getSession();
use \Joomla\Component\Fields\Administrator\Helper\FieldsHelper; // НЕ ВИДИТ!

use \Joomla\Component\Fields\Administrator\Helper\FieldsHelper // НЕ ВИДИТ!;

use \Joomla\CMS\Factory;

use \Joomla\CMS\Factory;

$user = Factory::getUser();

if (!class_exists('FieldsHelper')) require( '/FieldsHelper.php');