FAILURE: Build failed with an exception.

* What went wrong:
A problem occurred configuring project ':app'.
> A problem occurred configuring project ':android-core-v3:android-core-v3'.
   > A problem occurred configuring project ':android-net:android-net'.
      > A problem occurred configuring project ':android-base:android-base'.
         > A problem occurred configuring project ':android-proto:android-proto'.
            > Failed to notify project evaluation listener.
               > com.android.build.gradle.internal.variant.BaseVariantData.getJavaSources()[Ljava/lang/Object;