Xamarin.Android warning XA4304

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Issue

The Proguard MSBuild task encountered a ProGuard configuration file that was not found on disk. These files are generally declared in your Xamarin.Android project with a build action of ProguardConfiguration. However, Xamarin.Android also generates ProGuard configuration files internally during the build process.

To learn more about ProGuard and how it relates to Android development, see the Android documentation or the ProGuard website.

Solution

Verify you are not declaring a ProguardConfiguration build item that does not exist.

Consider submitting a bug if you are getting this warning under normal circumstances.