Thanks for the information. I think that I can answer a few of your questions: I don't think this is related to the problem. No, only Mono and IL2CPP are available scripting backends for Android. The .NET scripting backend is only available on Windows Store. I suspect that your Windows build uses the Mono scripting backend, which does not run UnityLinker by default. This is actually an error in the error message reporting for UnityLinker. We have a fix for this issue with error message reporting on its way to a patch release. The actually cause of the problem is obscured. If possible, can you submit a bug report with this project? Then we can likely track down the cause of the issue.