Fatal error: Uncaught Error: Class 'XMLWriter' not found in /var/www/html/vci_market/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/XMLWriter.php:7 Stack trace: #0 {main} thrown in /var/www/html/vci_market/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/XMLWriter.php on line 7