Fatal error: Uncaught Error: Class "Bitrix\Im\V2\Message\Param" not found in D:\ktt\ttepla.com\public_html\bitrix\modules\im\lib\V2\Message\Param\Attach.php:8 Stack trace: #0 {main} thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\im\lib\V2\Message\Param\Attach.php on line 8