Fatal error: Uncaught Error: Class "Osp\Base\OspStub" not found in C:\xampp\htdocs\tmall\src\com\vip\svip\osp\service\SvipOspServiceV2.php:87 Stack trace: #0 C:\xampp\htdocs\tmall\src\com\vip\svip\osp\service\SvipOspServiceV2Helper.php(12): require_once() #1 {main} thrown in C:\xampp\htdocs\tmall\src\com\vip\svip\osp\service\SvipOspServiceV2.php on line 87