Xcode fails to build: “Unable to

Xcode fails to build: “Unable to resolve build file: XCBCore.BuildFile”

在 Clean Build Folder无效的情况下,

XCode > Preferences > Locations > Derived Data > goto directory
选择 ~/Library/Developer/Xcode/DerivedData

到~/Library/Developer/Xcode/DerivedData目录删除模拟器缓存数据,然后进行运行