40 Duplicate style

04:00:40 Create new Spreadsheet object
04:00:40 Create styles array
04:00:40 Add data (begin)
04:00:43 Add data (end) . time: 3 s

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