Fatal error: Uncaught Error: Class "Osp\Base\OspStub" not found in C:\xampp\htdocs\updatejd\src\com\vip\api\promotion\vis\protcontract\service\ProtContractApiService.php:79 Stack trace: #0 C:\xampp\htdocs\updatejd\src\com\vip\api\promotion\vis\protcontract\service\ProtContractApiServiceHelper.php(12): require_once() #1 {main} thrown in C:\xampp\htdocs\updatejd\src\com\vip\api\promotion\vis\protcontract\service\ProtContractApiService.php on line 79