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 {main} thrown in C:\xampp\htdocs\updatejd\src\com\vip\api\promotion\vis\protcontract\service\ProtContractApiService.php on line 79