Fatal error: Uncaught Error: Interface "Bitrix\Main\Type\Contract\Arrayable" not found in D:\ktt\ttepla.com\public_html\bitrix\modules\ui\lib\buttons\buttonattributes.php:8 Stack trace: #0 {main} thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\ui\lib\buttons\buttonattributes.php on line 8