Fatal error: Uncaught Error: Call to undefined function IncludeModuleLangFile() in D:\ktt\ttepla.com\public_html\bitrix\modules\calendar\classes\general\calendar.php:39 Stack trace: #0 {main} thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\calendar\classes\general\calendar.php on line 39