有时候在新版本的Xcode中打开旧项目会得到这个消息。

转到问题导航器，并遵循警告提示“更新到重新确认的设置”。

繁荣,神奇!

What we didn't do right was to not apply with the accurate code when signing in the Build Settings. We fixed the issue up this way: Enter into Build Settings >> Code Signing >> Code Sign Identity. Then, apply with your iOS Developer ID for 'Debug', but be sure to apply with your iOS Distribution Profile for 'Release' We didn't apply correctly, so we couldn't have permission to ask for the App from the server, actually. Anyway this post forced us to revise all the parameters and requirements, so we pretty appreciate all your answers. Regards, T.

我使用Xcode6 GM。我遇到了同样的问题。我所做的是去构建设置->构建选项。然后我将“Compiler for C/ c++ /Objective-C”的值改为默认编译器。

在Xcode中执行以下操作

窗口->组织者->项目->应用程序的问题->删除按钮在派生数据。

然后我清理了项目，瞧

作品

当路径不正确或试图获取文件夹的内容而不是路径时，也会出现此错误。

这是因为您可能会使用从git或svn克隆的存储库。尝试克隆另一个新版本并运行它。