Fatal error: Uncaught Error: Call to undefined function IncludeModuleLangFile() in D:\ktt\ttepla.com\public_html\bitrix\modules\support\classes\general\sla.php:3
Stack trace:
#0 {main}
thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\support\classes\general\sla.php on line 3