Fatal error: Uncaught Error: Class "PHPExcel_Worksheet_CellIterator" not found in C:\xampp\htdocs\reporteGabriel\PHPExcel-1.8\Classes\PHPExcel\Worksheet\RowCellIterator.php:28 Stack trace: #0 {main} thrown in C:\xampp\htdocs\reporteGabriel\PHPExcel-1.8\Classes\PHPExcel\Worksheet\RowCellIterator.php on line 28