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将 Xcode 更新到 6.3 后，出现以下错误。我无法在模拟器或设备上运行应用程序。我没有更新操作系统。我是否需要将操作系统更新到 10.10.3 才能使 Xcode 正常工作？
The operation couldn’t be completed. (Mach error -308 - (ipc/mig) server died)