32 Chart read write

01:05:21 Read Xlsx format from /home/bitrix/ext_www/retender.ru/export/samples/Chart/../templates/32readwriteAreaChart1.xlsx in 0.0187 seconds
01:05:21 Iterate worksheets looking at the charts
01:05:21 Worksheet: Data
01:05:21 chart1 - "Sales"
01:05:21 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