Fatal error: Uncaught Error: Class "Osp\Base\OspStub" not found in C:\xampp\htdocs\tmall\src\vipapis\marketplace\sizetable\StoreSizeTableService.php:39 Stack trace: #0 {main} thrown in C:\xampp\htdocs\tmall\src\vipapis\marketplace\sizetable\StoreSizeTableService.php on line 39