32 Chart read write

12:32:11 Read Xlsx format from /home/bitrix/ext_www/retender.ru/export/samples/Chart/../templates/32readwriteAreaChart1.xlsx in 0.6809 seconds
12:32:11 Iterate worksheets looking at the charts
12:32:11 Worksheet: Data
12:32:11 chart1 - "Sales"
12:32:11 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