``` * What went wrong: Execution failed for task '...

# eap

[vmironov]

* What went wrong:
Execution failed for task ':mobile:transformClassesWithDexForDevDebug'.
> com.android.build.api.transform.TransformException: java.lang.RuntimeException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: com.android.ide.common.process.ProcessException: Return code 1 for dex process

[Eugenio]

@vmironov try deleting all your build folders, it fixed it for me!