Fatal error: Uncaught Error: Class "Osp\Base\OspStub" not found in C:\xampp\htdocs\updatejd\src\com\vip\isv\vreceipt\ReceiptContainerService.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\updatejd\src\com\vip\isv\vreceipt\ReceiptContainerService.php on line 21