20 Read Excel2003XML

20:36:53 Read Xml format from /home/bitrix/ext_www/retender.ru/export/samples/Basic/../templates/Excel2003XMLTest.xml in 1.7260 seconds

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