32 Chart read write

20:17:01 Read Xlsx format from /home/bitrix/ext_www/retender.ru/export/samples/Chart/../templates/32readwriteAreaChart1.xlsx in 0.0470 seconds
20:17:01 Iterate worksheets looking at the charts
20:17:01 Worksheet: Data
20:17:01 chart1 - "Sales"
20:17:01 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