wsHi我正在开发一个使用xamarin表单的应用程序。我的ios项目运行良好,但几天前就停止启动了。Error: error MT1007: Failed to launch the application '/Users/user/Library/Caches/Xamarin/mtbs/builds/project.iOS/58c9dca0bc9f1c5ed37d1e8652672fb2/bin/iPhone/Debug/project.iOS.app' on the device 'My iPad': Object reference not