Unable to convert classes into dex format.

I searched about this issue , and almost wasted 3-4 hrs searching and tried every possible solution but didn't get rid of this issue. Any help will be appreciated.

console result :

CommandInvokationFailure: Unable to convert classes into dex format. C:/Program Files/Java/jdk1.8.0_161\bin\java.exe -Xmx2048M -Dcom.android.sdkmanager.toolsdir="C:/Users/hk/AppData/Local/Android/Sdk\tools" -Dfile.encoding=UTF8 -jar "C:\Program Files\Unity\Editor\Data\PlaybackEngines\AndroidPlayer/Tools\sdktools.jar" -

stderr[ Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/vuforia/Area; Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/vuforia/Area$TYPE; Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/vuforia/Box3D; Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/vuforia/COORDINATE_SYSTEM_TYPE; Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/vuforia/CameraCalibration; Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/vuforia/CameraDevice; Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/vuforia/CameraDevice$CAMERA_DIRECTION; Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/vuforia/CameraDevice$FOCUS_MODE; Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/vuforia/CameraDevice$MODE;

UNEXPECTED TOP-LEVEL EXCEPTION: java.lang.RuntimeException: Translation has been interrupted at com.android.dx.command.dexer.Main.processAllFiles(Main.java:614) at com.android.dx.command.dexer.Main.runMonoDex(Main.java:310) at com.android.dx.command.dexer.Main.runDx(Main.java:288) at com.android.dx.command.dexer.Main.main(Main.java:244) at com.android.dx.command.Main.main(Main.java:95) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at SDKMain.main(SDKMain.java:130) Caused by: java.lang.InterruptedException: Too many errors at com.android.dx.command.dexer.Main.processAllFiles(Main.java:606) ... 9 more ] stdout[ processing archive C:\Users\hk\Documents\AR_Vuforia\Temp\StagingArea\android-libraries\VuforiaWrapper\libs.\Vuforia.jar... processing com/vuforia/Anchor.class... processing com/vuforia/AnchorResult.class... processing com/vuforia/Area.class... processing com/vuforia/Area$TYPE.class... processing com/vuforia/Box3D.class... processing com/vuforia/COORDINATE_SYSTEM_TYPE.class... processing com/vuforia/CameraCalibration.class... processing com/vuforia/CameraDevice.class... processing com/vuforia/CameraDevice$CAMERA_DIRECTION.class... processing com/vuforia/CameraDevice$FOCUS_MODE.class... processing com/vuforia/CameraDevice$MODE.class... processing com/vuforia/CameraField.class... processing com/vuforia/CameraField$DataType.class... processing com/vuforia/CustomViewerParameters.class... processing com/vuforia/CylinderTarget.class... processing com/vuforia/CylinderTargetResult.class... processing com/vuforia/DataSet.class... processing com/vuforia/Device.class... processing com/vuforia/Device$MODE.class... processing com/vuforia/DeviceTrackable.class... processing com/vuforia/DeviceTrackableResult.class... processing com/vuforia/DeviceTracker.class... processing com/vuforia/EYEID.class... processing com/vuforia/EyewearCalibrationProfileManager.class... processing com/vuforia/EyewearCalibrationReading.class... processing com/vuforia/EyewearCalibrationReading$AlignmentType.class... processing com/vuforia/EyewearDevice.class... processing com/vuforia/EyewearDevice$ORIENTATION.class... processing com/vuforia/EyewearUserCalibrator.class... processing com/vuforia/EyewearUserCalibrator$CONSISTENCY.class... processing com/vuforia/FUSION_PROVIDER_TYPE.class... processing com/vuforia/Frame.class... processing com/vuforia/GLTextureData.class... processing com/vuforia/GLTextureUnit.class... processing com/vuforia/GuideView.class... processing com/vuforia/HINT.class... processing com/vuforia/HandheldTransformModel.class... processing com/vuforia/HeadTransformModel.class... processing com/vuforia/HitTestResult.class... processing com/vuforia/INIT_ERRORCODE.class... processing com/vuforia/INIT_FLAGS.class... processing com/vuforia/Illumination.class... processing com/vuforia/Image.class... processing com/vuforia/ImageTarget.class... processing com/vuforia/ImageTargetBuilder.class... processing com/vuforia/ImageTargetBuilder$FRAME_QUALITY.class... processing com/vuforia/ImageTargetResult.class... processing com/vuforia/InstanceId.class... processing com/vuforia/InstanceId$ID_DATA_TYPE.class... processing com/vuforia/Matrix34F.class... processing com/vuforia/Matrix44F.class... processing com/vuforia/Mesh.class... processing com/vuforia/ModelTarget.class... processing com/vuforia/ModelTargetResult.class... processing com/vuforia/MultiTarget.class... processing com/vuforia/MultiTargetResult.class... processing com/vuforia/NonCopyable.class... processing com/vuforia/Obb2D.class... processing com/vuforia/Obb3D.class... processing com/vuforia/ObjectTarget.class... processing com/vuforia/ObjectTargetResult.class... processing com/vuforia/ObjectTracker.class... processing com/vuforia/PIXEL_FORMAT.class... processing com/vuforia/PositionalDeviceTracker.class... processing com/vuforia/Rectangle.class... processing com/vuforia/RectangleInt.class... processing com/vuforia/Renderer.class... processing com/vuforia/Renderer$FPSHINT_FLAGS.class... processing com/vuforia/RendererHelper.class... processing com/vuforia/RenderingPrimitives.class... processing com/vuforia/RotationalDeviceTracker.class... processing com/vuforia/STORAGE_TYPE.class... processing com/vuforia/SmartTerrain.class... processing com/vuforia/SmartTerrain$HITTEST_HINT.class... processing com/vuforia/State.class... processing com/vuforia/StateUpdater.class... processing com/vuforia/TargetFinder.class... processing com/vuforia/TargetSearchResult.class... processing com/vuforia/TextureData.class... processing com/vuforia/TextureUnit.class... processing com/vuforia/Tool.class... processing com/vuforia/Trackable.class... processing com/vuforia/TrackableResult.class... processing com/vuforia/TrackableResult$STATUS.class... processing com/vuforia/TrackableResult$STATUS_INFO.class... processing com/vuforia/TrackableSource.class... processing com/vuforia/Tracker.class... processing com/vuforia/TrackerManager.class... processing com/vuforia/TransformModel.class... processing com/vuforia/TransformModel$TYPE.class... processing com/vuforia/Type.class... processing com/vuforia/UpdateCallback.class... processing com/vuforia/VIDEO_BACKGROUND_REFLECTION.class... processing com/vuforia/VIEW.class... processing com/vuforia/Vec2F.class... processing com/vuforia/Vec2I.class... processing com/vuforia/Vec3F.class... processing com/vuforia/Vec3I.class... processing com/vuforia/Vec4F.class... processing com/vuforia/Vec4I.class... processing com/vuforia/VideoBackgroundConfig.class... processing com/vuforia/VideoBackgroundTextureInfo.class... processing com/vuforia/VideoMode.class... processing com/vuforia/ViewList.class... processing com/vuforia/ViewerParameters.class... processing com/vuforia/ViewerParameters$BUTTON_TYPE.class... processing com/vuforia/ViewerParameters$TRAY_ALIGNMENT.class... processing com/vuforia/ViewerParametersList.class... processing com/vuforia/ViewerParametersList$VPIterator.class... processing com/vuforia/VirtualButton.class... processing com/vuforia/VirtualButton$SENSITIVITY.class... processing com/vuforia/VirtualButtonResult.class... processing com/vuforia/VuMarkTarget.class... processing com/vuforia/VuMarkTargetResult.class... processing com/vuforia/VuMarkTemplate.class... processing com/vuforia/Vuforia.class... processing com/vuforia/Vuforia$1.class... processing com/vuforia/Vuforia$UpdateCallbackInterface.class... processing com/vuforia/VuforiaJNI.class... processing com/vuforia/ar/pl/CalibrationProfileServiceConnection.class... processing com/vuforia/ar/pl/Camera1_Preview.class... processing com/vuforia/ar/pl/Camera1_Preview$1.class... processing com/vuforia/ar/pl/Camera1_Preview$CameraCacheInfo.class... processing com/vuforia/ar/pl/Camera2_Preview.class... processing com/vuforia/ar/pl/Camera2_Preview$1.class... processing com/vuforia/ar/pl/Camera2_Preview$2.class... processing com/vuforia/ar/pl/Camera2_Preview$AutofocusRunner.class... processing com/vuforia/ar/pl/Camera2_Preview$CameraCacheInfo.class... processing com/vuforia/ar/pl/Camera2_Preview$FrameInfo.class... processing com/vuforia/ar/pl/Camera2_Preview$OnCameraDataAvailable.class... processing com/vuforia/ar/pl/Camera2_Preview$OnFrameCapturedCallback.class... processing com/vuforia/ar/pl/CameraSurface.class... processing com/vuforia/ar/pl/DebugLog.class... processing com/vuforia/ar/pl/DrawOverlayView.class... processing com/vuforia/ar/pl/EpsonBT200Controller.class... processing com/vuforia/ar/pl/EpsonBT200Controller$1.class... processing com/vuforia/ar/pl/FileTools.class... processing com/vuforia/ar/pl/ImageTools.class... processing com/vuforia/ar/pl/ODGR7Controller.class... processing com/vuforia/ar/pl/ODGR7Controller$1.class... processing com/vuforia/ar/pl/PermissionHandler.class... processing com/vuforia/ar/pl/PermissionHandler$PermissionsRequestFragment.class... processing com/vuforia/ar/pl/RenderManager.class... processing com/vuforia/ar/pl/RenderManager$1.class... processing com/vuforia/ar/pl/RenderManager$2.class... processing com/vuforia/ar/pl/RenderManager$FixedFrameRateRunner.class... processing com/vuforia/ar/pl/RenderManager$RenderRequestWatcher.class... processing com/vuforia/ar/pl/SensorController.class... processing com/vuforia/ar/pl/SensorController$SensorCacheInfo.class... processing com/vuforia/ar/pl/SurfaceManager.class... processing com/vuforia/ar/pl/SurfaceManager$1.class... processing com/vuforia/ar/pl/SystemTools.class... processing com/vuforia/ar/pl/SystemTools$1.class... processing com/vuforia/ar/pl/VuforiaServiceConnection.class... processing com/vuforia/eyewear/Calibration/service/ICalibrationProfileService.class... processing com/vuforia/eyewear/Calibration/service/ICalibrationProfileService$Stub.class... processing com/vuforia/eyewear/Calibration/service/ICalibrationProfileService$Stub$Proxy.class... processing archive C:\Users\hk\Documents\AR_Vuforia\Temp\StagingArea\android-libraries\VuforiaWrapper\libs.\VuforiaUnityPlayer.jar... processing com/vuforia/VuforiaUnityPlayer/DebugLog.class... processing com/vuforia/VuforiaUnityPlayer/OrientationUtility.class... processing com/vuforia/VuforiaUnityPlayer/VuforiaInitializer.class... processing com/vuforia/engine/BuildConfig.class... processing com/vuforia/engine/R.class... ignored resource C:\Users\hk\Documents\AR_Vuforia\Temp\StagingArea\android-libraries\VuforiaWrapper\libs.\armeabi-v7a\libVuforia.so ignored resource C:\Users\hk\Documents\AR_Vuforia\Temp\StagingArea\android-libraries\VuforiaWrapper\libs.\armeabi-v7a\libVuforiaUnityPlayer.so ignored resource C:\Users\hk\Documents\AR_Vuforia\Temp\StagingArea\android-libraries\VuforiaWrapper\libs.\armeabi-v7a\libVuforiaWrapper.so processing archive C:\Users\hk\Documents\AR_Vuforia\Temp\StagingArea\android-libraries\VuforiaWrapper\libs.\classes.jar... processing com/vuforia/engine/ext/BuildConfig.class... ignored resource C:\Users\hk\Documents\AR_Vuforia\Temp\StagingArea\android-libraries\VuforiaWrapper\libs.\x86\libVuforia.so ignored resource C:\Users\hk\Documents\AR_Vuforia\Temp\StagingArea\android-libraries\VuforiaWrapper\libs.\x86\libVuforiaUnityPlayer.so ignored resource C:\Users\hk\Documents\AR_Vuforia\Temp\StagingArea\android-libraries\VuforiaWrapper\libs.\x86\libVuforiaWrapper.so ignored resource C:\Users\hk\Documents\AR_Vuforia\Temp\StagingArea\android-libraries\core-1.3.0\libs.\armeabi-v7a\libarcore_sdk_c.so ignored resource C:\Users\hk\Documents\AR_Vuforia\Temp\StagingArea\android-libraries\core-1.3.0\libs.\armeabi-v7a\libarcore_sdk_jni.so processing archive C:\Users\hk\Documents\AR_Vuforia\Temp\StagingArea\android-libraries\core-1.3.0\libs.\classes.jar... processing a/a/a.class... processing a/a/b.class... processing com/google/a/a/a.class... processing com/google/a/a/b.class... processing com/google/a/a/c.class... processing com/google/a/a/d.class... processing com/google/a/b/a/a/a/a.class... processing com/google/a/b/a/a/a/b.class... processing com/google/a/b/a/a/a/c.class... processing com/google/a/b/a/a/a/d.class... processing com/google/a/b/a/a/a/e.class... processing com/google/ar/core/A.class... processing com/google/ar/core/Anchor.class... processing com/google/ar/core/Anchor$CloudAnchorState.class... processing com/google/ar/core/ArCoreApk.class... processing com/google/ar/core/ArCoreApk$Availability.class... processing com/google/ar/core/ArCoreApk$InstallBehavior.class... processing com/google/ar/core/ArCoreApk$InstallStatus.class... processing com/google/ar/core/ArCoreApk$UserMessageType.class... processing com/google/ar/core/ArCoreApk$a.class... processing com/google/ar/core/ArCoreApkJniAdapter.class... processing com/google/ar/core/ArCoreContentProviderContract.class... processing com/google/ar/core/ArImage.class... processing com/google/ar/core/ArImage$a.class... processing com/google/ar/core/AugmentedImage.class... processing com/google/ar/core/AugmentedImageDatabase.class... processing com/google/ar/core/B.class... processing com/google/ar/core/Camera.class... processing com/google/ar/core/CameraIntrinsics.class... processing com/google/ar/core/Config.class... processing com/google/ar/core/Config$CloudAnchorMode.class... processing com/google/ar/core/Config$LightEstimationMode.class... processing com/google/ar/core/Config$PlaneFindingMode.class... processing com/google/ar/core/Config$UpdateMode.class... processing com/google/ar/core/Frame.class... processing com/google/ar/core/HitResult.class... processing com/google/ar/core/ImageMetadata.class... processing com/google/ar/core/ImageMetadata$a.class... processing com/google/ar/core/InstallActivity.class... processing com/google/ar/core/LightEstimate.class... processing com/google/ar/core/LightEstimate$State.class... processing com/google/ar/core/Plane.class... processing com/google/ar/core/Plane$Type.class... processing com/google/ar/core/Point.class... processing com/google/ar/core/Point$OrientationMode.class... processing com/google/ar/core/PointCloud.class... processing com/google/ar/core/Pose.class... processing com/google/ar/core/Quaternion.class... processing com/google/ar/core/Session.class... processing com/google/ar/core/SessionCreateJniHelper.class... processing com/google/ar/core/Stub.class... processing com/google/ar/core/Trackable.class... processing com/google/ar/core/TrackableBase.class... processing com/google/ar/core/TrackingState.class... processing com/google/ar/core/a.class... processing com/google/ar/core/annotations/UsedByNative.class... processing com/google/ar/core/annotations/UsedByReflection.class... processing com/google/ar/core/b.class... processing com/google/ar/core/c.class... processing com/google/ar/core/d.class... processing com/google/ar/core/e.class... processing com/google/ar/core/exceptions/AnchorNotSupportedForHostingException.class... processing com/google/ar/core/exceptions/CameraNotAvailableException.class... processing com/google/ar/core/exceptions/CloudAnchorsNotConfiguredException.class... processing com/google/ar/core/exceptions/DataInvalidFormatException.class... processing com/google/ar/core/exceptions/DataUnsupportedVersionException.class... processing com/google/ar/core/exceptions/DeadlineExceededException.class... processing com/google/ar/core/exceptions/FatalException.class... processing com/google/ar/core/exceptions/ImageInsufficientQualityException.class... processing com/google/ar/core/exceptions/MissingGlContextException.class... processing com/google/ar/core/exceptions/NotTrackingException.class... processing com/google/ar/core/exceptions/NotYetAvailableException.class... processing com/google/ar/core/exceptions/ResourceExhaustedException.class... processing com/google/ar/core/exceptions/SessionNotPausedException.class... processing com/google/ar/core/exceptions/SessionPausedExceptio