Fatal error: Uncaught Error: Call to undefined function IncludeModuleLangFile() in D:\ktt\ttepla.com\public_html\bitrix\modules\main\classes\general\checklist.php:13
Stack trace:
#0 {main}
thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\main\classes\general\checklist.php on line 13