32 Chart read write

00:10:36 Read Xlsx format from /home/bitrix/ext_www/retender.ru/export/samples/Chart/../templates/32readwriteAreaChart1.xlsx in 0.1511 seconds
00:10:36 Iterate worksheets looking at the charts
00:10:36 Worksheet: Data
00:10:36 chart1 - "Sales"
00:10:36 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