Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Worksheet\CellIterator" not found in /home/oyaagyug/public_html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/RowCellIterator.php:9
Stack trace:
#0 {main}
thrown in /home/oyaagyug/public_html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/RowCellIterator.php on line 9