Fatal error: Uncaught Error: Class "Bitrix\Iblock\Copy\Stepper\Entity" not found in D:\ktt\ttepla.com\public_html\bitrix\modules\iblock\lib\copy\stepper\section.php:7 Stack trace: #0 {main} thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\iblock\lib\copy\stepper\section.php on line 7