Fatal error: Uncaught Error: Interface "Bitrix\Main\Engine\Response\ContentArea\ContentAreaInterface" not found in D:\ktt\ttepla.com\public_html\bitrix\modules\bizproc\lib\controller\response\rendercontrolcontent.php:7 Stack trace: #0 {main} thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\bizproc\lib\controller\response\rendercontrolcontent.php on line 7