Fatal error: Uncaught Error: Class "PHPExcel_Style_Supervisor" not found in D:\HTTP\htdocs\gincludes\PHPExcel-develop\Classes\PHPExcel\Style\Protection.php:36 Stack trace: #0 {main} thrown in D:\HTTP\htdocs\gincludes\PHPExcel-develop\Classes\PHPExcel\Style\Protection.php on line 36