xcode unbound variable Command PhaseScriptExecution failed with a nonzero exit code 错误解决
Delete the Pods directory and the Podfile.lock file.
Run pod install to re-create them from scratch.
Clean the Xcode project.
Build the Xcode project.
Delete the Pods directory and the Podfile.lock file.
Run pod install to re-create them from scratch.
Clean the Xcode project.
Build the Xcode project.