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