Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Worksheet\CellIterator" not found in /var/www/html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/RowCellIterator.php:12
Stack trace:
#0 {main}
thrown in /var/www/html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/RowCellIterator.php on line 12