Xcode 运行错误：cannot be opened because it is in a future Xcode project file format Adjust the project
Xcode打开工程报错：文字信息：Theprojectat'/Users/yhgj/jhgh/kkjh/quybui.xcodeproj'cannotbeopenedbecauseitisinafutureXcodeprojectfileformat.AdjusttheprojectformatusingacompatibleversionofXcodetoallowittobeopenedbyt