Hello i am trying to upgrade a customer addon to new cs-cart 4.01, but i am receiving a error…
Fatal error: Class 'Registry' not found on line 25
```php
* *
* Copyright (c) 2004 Simbirsk Technologies Ltd. All rights reserved. *
* *
* This is commercial software, only users who have purchased a valid *
* license and accept to the terms of the License Agreement can install *
* and use this program. *
* *
****************************************************************************
* PLEASE READ THE FULL TEXT OF THE SOFTWARE LICENSE AGREEMENT IN THE *
* "copyright.txt" FILE PROVIDED WITH THIS DISTRIBUTION PACKAGE. *
****************************************************************************/
//
// $Id: send_to_friend.php 10229 2010-07-27 14:21:39Z 2tl $
//
if ( !defined('AREA') ) { die('Access denied'); }
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
if ($mode == 'send') {
[b] if (Registry::get('addons.question.use_image_verification') == 'Y' && fn_image_verification('question', empty($_REQUEST['verification_answer']) ? '' : $_REQUEST['verification_answer']) == false)[/b] {
fn_save_post_data();
return array(CONTROLLER_STATUS_REDIRECT);
}
if (!empty($_REQUEST['send_data']['to_email'])) {
$view_mail->assign('send_data', $_REQUEST['question_data']);
$lnk = fn_query_remove($_REQUEST['redirect_url'], 'selected_section');
$http_path = Registry::get('config.http_path');
if (!empty($http_path) && strpos($lnk, $http_path) !== false) {
$lnk = str_replace(Registry::get('config.http_path'), '', $lnk);
} else {
$lnk = '/' . ltrim($lnk, '/');
}
$view_mail->assign('link', Registry::get('config.http_location') . $lnk);
}
$department_email = (Registry::get('addons.question.email_address')) ? Registry::get('addons.question.email_address') : Registry::get('settings.Company.company_support_department');
if (!empty($department_email)) {
$view_mail->assign('send_data', $_REQUEST['send_data']);
if (fn_send_mail($department_email, Registry::get('settings.Company.company_orders_department'), 'addons/question/mail_subj.tpl', 'addons/question/mail.tpl', '', CART_LANGUAGE, $_REQUEST['send_data']['from_email'])) {
fn_set_notification('N', fn_get_lang_var('notice'), fn_get_lang_var('text_email_sent'));
}
} else {
fn_set_notification('E', fn_get_lang_var('error'), fn_get_lang_var('error_no_recipient_address'));
}
return array(CONTROLLER_STATUS_REDIRECT);
}
}
?>
```
can anyone help me with this issue?