The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods inst...

通用解决办法:

关闭当前的工作空间,删除掉文件夹中的workspace,然后重新pod install,install完成之后,通过workspace打开工作空间,clean+build即可。

或者 进入项目的目录

rm -rf MyProject.xcworkspace 
pod install

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