Xcode 11Beta 运行模拟器报错
Mach error -308 - (ipc/mig) server died
修复
- 完全退出Xcode 11 Beata
- 删除 /Library/Developer/PrivateFrameworks/CoreSimulator.framework
- 运行 Xcode 10 或者其他正式版本的Xcode,会弹出安装相应组件,点击install 安装
引用:https://forums.developer.apple.com/thread/82197