12 CellProtection

09:59:47 Create new Spreadsheet object
09:59:47 Set document properties
09:59:47 Add some data
09:59:47 Rename worksheet
09:59:47 Set cell protection
09:59:47 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