38 Clone worksheet

07:18:24 Create new Spreadsheet object
07:18:24 Set document properties
07:18:24 Add some data
07:18:24 Rename worksheet
07:18:24 Clone worksheet
07:18:24 Rename cloned worksheet

Fatal error: Class 'XMLWriter' not found in /home/bitrix/ext_www/retender.ru/bitrix/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/XMLWriter.php on line 5