Fatal error: Uncaught Error: Call to undefined function IncludeModuleLangFile() in D:\ktt\ttepla.com\public_html\bitrix\modules\main\classes\general\update_client_partner.php:16
Stack trace:
#0 {main}
thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\main\classes\general\update_client_partner.php on line 16