build falied why？

[ScalletLeng]

AGPBI: {"kind":"error","text":"Uncaught translation error: com.android.dx.cf.code.SimException: stack: underflow","sources":[{}]} AGPBI: {"kind":"error","text":"Uncaught translation error: com.android.dx.cf.code.SimException: stack: underflow","sources":[{}]} AGPBI: {"kind":"error","text":"2 errors; aborting","sources":[{}]}

FAILED

FAILURE: Build failed with an exception.

• What went wrong: Execution failed for task ':app:transformClassesWithDexForDebug'.

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

• Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

[hydraxman]

have not seen this before. could you provide more information like full stack trace of the exception?