Fatal error: Uncaught Error: Class "Osp\Base\OspStub" not found in C:\xampp\htdocs\tmall\src\vipapis\marketplace\inventory\InternalInventoryService.php:25 Stack trace: #0 C:\xampp\htdocs\tmall\src\vipapis\marketplace\inventory\InternalInventoryServiceHelper.php(12): require_once() #1 {main} thrown in C:\xampp\htdocs\tmall\src\vipapis\marketplace\inventory\InternalInventoryService.php on line 25