11 Documentsecurity

01:37:46 Create new Spreadsheet object
01:37:46 Set document properties
01:37:46 Add some data
01:37:46 Rename worksheet
01:37:46 Set document security
01:37:46 Set sheet security

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