Fatal error: Uncaught Error: Class "PHPExcel_Settings" not found in C:\xampp\htdocs\reporteGabriel\PHPExcel-1.8\Classes\PHPExcel\Writer\PDF\DomPDF.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\reporteGabriel\PHPExcel-1.8\Classes\PHPExcel\Writer\PDF\DomPDF.php on line 4