Fatal error: Uncaught Error: Class "Osp\Base\OspStub" not found in C:\xampp\htdocs\updatejd\src\vipapis\isv\category\VendorCategoryMappingService.php:35 Stack trace: #0 {main} thrown in C:\xampp\htdocs\updatejd\src\vipapis\isv\category\VendorCategoryMappingService.php on line 35