Fatal error: Uncaught Error: Class "Bitrix\Socialnetwork\Internals\EventService\Event" not found in D:\ktt\ttepla.com\public_html\bitrix\modules\socialnetwork\lib\internals\eventservice\event\workgroupevent.php:18 Stack trace: #0 {main} thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\socialnetwork\lib\internals\eventservice\event\workgroupevent.php on line 18