32 Chart read write

19:59:12 Read Xlsx format from /home/bitrix/ext_www/retender.ru/export/samples/Chart/../templates/32readwriteAreaChart1.xlsx in 0.0484 seconds
19:59:12 Iterate worksheets looking at the charts
19:59:12 Worksheet: Data
19:59:12 chart1 - "Sales"
19:59:12 areaChart

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