Fatal error: Uncaught Error: Class "Osp\Base\OspStub" not found in C:\xampp\htdocs\tmall\src\vipapis\cup\bill\BillService.php:21
Stack trace:
#0 C:\xampp\htdocs\tmall\src\vipapis\cup\bill\BillServiceHelper.php(12): require_once()
#1 {main}
thrown in C:\xampp\htdocs\tmall\src\vipapis\cup\bill\BillService.php on line 21