Fatal error: Uncaught Error: Class "PHPExcel_Settings" not found in C:\xampp\htdocs\crop_db\libs\phpoffice\PHPExcel\Chart\Renderer\jpgraph.php:30 Stack trace: #0 {main} thrown in C:\xampp\htdocs\crop_db\libs\phpoffice\PHPExcel\Chart\Renderer\jpgraph.php on line 30