Well, first of all, let me provide some context. This is the error log which I receive for the ‘Unable to convert classes into dex format’ error :
Error building Player: CommandInvokationFailure: Unable to convert classes into dex format. See the Console for details.
C:/Program Files/Java/jdk1.8.0_161\bin\java.exe -Xmx2048M -Dcom.android.sdkmanager.toolsdir=“C:/Users/My_name/AppData/Local/Android/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/google/android/gms/actions/ItemListIntents;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/android/gms/actions/NoteIntents;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/android/gms/actions/ReserveIntents;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/android/gms/actions/SearchIntents;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/android/gms/ads/identifier/AdvertisingIdClient;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/android/gms/ads/identifier/AdvertisingIdClient$Info;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/android/gms/ads/identifier/AdvertisingIdClient$zza;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/android/gms/ads/identifier/zza;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/android/gms/ads/identifier/zzb;
UNEXPECTED TOP-LEVEL EXCEPTION:
java.lang.RuntimeException: Translation has been interrupted
at com.android.dx.command.dexer.Main.processAllFiles(Main.java:615)
at com.android.dx.command.dexer.Main.runMonoDex(Main.java:313)
at com.android.dx.command.dexer.Main.runDx(Main.java:291)
at com.android.dx.command.dexer.Main.main(Main.java:247)
at com.android.dx.command.Main.main(Main.java:94)
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:129)
Caused by: java.lang.InterruptedException: Too many errors
at com.android.dx.command.dexer.Main.processAllFiles(Main.java:607)
… 9 more
]
stdout[
processing archive C:\Users\Niall\Documents\Key game - Monitised\Temp\StagingArea\android-libraries\GoogleAIDL\libs.\classes.jar…
processing com/android/vending/billing/BuildConfig.class…
processing com/android/vending/billing/IInAppBillingService.class…
processing com/android/vending/billing/IInAppBillingService$Stub.class…
processing com/android/vending/billing/IInAppBillingService$Stub$Proxy.class…
processing archive C:\Users\Niall\Documents\Key game - Monitised\Temp\StagingArea\android-libraries\GoogleMobileAdsPlugin\libs.\unity-plugin-library.jar…
processing com/google/unity/BuildConfig.class…
processing com/google/unity/ads/AdNetworkExtras.class…
processing com/google/unity/ads/Banner.class…
processing com/google/unity/ads/Banner$1.class…
processing com/google/unity/ads/Banner$10.class…
processing com/google/unity/ads/Banner$11.class…
processing com/google/unity/ads/Banner$12.class…
processing com/google/unity/ads/Banner$2.class…
processing com/google/unity/ads/Banner$3.class…
processing com/google/unity/ads/Banner$4.class…
processing com/google/unity/ads/Banner$5.class…
processing com/google/unity/ads/Banner$6.class…
processing com/google/unity/ads/Banner$7.class…
processing com/google/unity/ads/Banner$8.class…
processing com/google/unity/ads/Banner$9.class…
processing com/google/unity/ads/CustomNativeAd.class…
processing com/google/unity/ads/CustomNativeAd$1.class…
processing com/google/unity/ads/CustomNativeAd$2.class…
processing com/google/unity/ads/Interstitial.class…
processing com/google/unity/ads/Interstitial$1.class…
processing com/google/unity/ads/Interstitial$1$1.class…
processing com/google/unity/ads/Interstitial$2.class…
processing com/google/unity/ads/Interstitial$3.class…
processing com/google/unity/ads/NativeAdLoader.class…
processing com/google/unity/ads/NativeAdLoader$1.class…
processing com/google/unity/ads/NativeAdLoader$2.class…
processing com/google/unity/ads/NativeAdLoader$3.class…
processing com/google/unity/ads/NativeAdLoader$3$1.class…
processing com/google/unity/ads/NativeAdLoader$3$2.class…
processing com/google/unity/ads/NativeAdLoader$3$3.class…
processing com/google/unity/ads/NativeAdLoader$4.class…
processing com/google/unity/ads/NativeExpressAd.class…
processing com/google/unity/ads/NativeExpressAd$1.class…
processing com/google/unity/ads/NativeExpressAd$2.class…
processing com/google/unity/ads/NativeExpressAd$3.class…
processing com/google/unity/ads/NativeExpressAd$4.class…
processing com/google/unity/ads/NativeExpressAd$5.class…
processing com/google/unity/ads/NativeExpressAd$6.class…
processing com/google/unity/ads/NativeExpressAd$7.class…
processing com/google/unity/ads/NativeExpressAd$8.class…
processing com/google/unity/ads/PluginUtils.class…
processing com/google/unity/ads/RewardBasedVideo.class…
processing com/google/unity/ads/RewardBasedVideo$1.class…
processing com/google/unity/ads/RewardBasedVideo$1$1.class…
processing com/google/unity/ads/RewardBasedVideo$2.class…
processing com/google/unity/ads/RewardBasedVideo$3.class…
processing com/google/unity/ads/UnityAdListener.class…
processing com/google/unity/ads/UnityAdLoaderListener.class…
processing com/google/unity/ads/UnityRewardBasedVideoAdListener.class…
processing archive C:\Users\Niall\Documents\Key game - Monitised\Temp\StagingArea\android-libraries\GooglePlay\libs.\classes.jar…
processing com/unity/purchasing/googleplay/ActivityLauncher.class…
processing com/unity/purchasing/googleplay/BillingServiceManager.class…
processing com/unity/purchasing/googleplay/BillingServiceManager$1.class…
processing com/unity/purchasing/googleplay/BillingServiceManager$1$1.class…
processing com/unity/purchasing/googleplay/BillingServiceManager$1$2.class…
processing com/unity/purchasing/googleplay/BillingServiceManager$2.class…
processing com/unity/purchasing/googleplay/BillingServiceProcessor.class…
processing com/unity/purchasing/googleplay/BuildConfig.class…
processing com/unity/purchasing/googleplay/Consts.class…
processing com/unity/purchasing/googleplay/Consts$PurchaseState.class…
processing com/unity/purchasing/googleplay/Consts$ResponseCode.class…
processing com/unity/purchasing/googleplay/GooglePlayBillingUnAvailableException.class…
processing com/unity/purchasing/googleplay/GooglePlayPurchasing.class…
processing com/unity/purchasing/googleplay/GooglePlayPurchasing$1.class…
processing com/unity/purchasing/googleplay/GooglePlayPurchasing$2.class…
processing com/unity/purchasing/googleplay/GooglePlayPurchasing$3.class…
processing com/unity/purchasing/googleplay/GooglePlayPurchasing$4.class…
processing com/unity/purchasing/googleplay/GooglePlayPurchasing$5.class…
processing com/unity/purchasing/googleplay/GooglePlayPurchasing$6.class…
processing com/unity/purchasing/googleplay/GooglePlayPurchasing$7.class…
processing com/unity/purchasing/googleplay/GooglePlayPurchasing$Features.class…
processing com/unity/purchasing/googleplay/IActivityLauncher.class…
processing com/unity/purchasing/googleplay/IBillingServiceManager.class…
processing com/unity/purchasing/googleplay/IabException.class…
processing com/unity/purchasing/googleplay/IabHelper.class…
processing com/unity/purchasing/googleplay/IabHelper$1.class…
processing com/unity/purchasing/googleplay/IabHelper$2.class…
processing com/unity/purchasing/googleplay/IabHelper$2$1.class…
processing com/unity/purchasing/googleplay/IabHelper$3.class…
processing com/unity/purchasing/googleplay/IabHelper$4.class…
processing com/unity/purchasing/googleplay/IabHelper$OnConsumeFinishedListener.class…
processing com/unity/purchasing/googleplay/IabHelper$OnConsumeMultiFinishedListener.class…
processing com/unity/purchasing/googleplay/IabHelper$OnIabPurchaseFinishedListener.class…
processing com/unity/purchasing/googleplay/IabHelper$OnIabSetupFinishedListener.class…
processing com/unity/purchasing/googleplay/IabHelper$QueryInventoryFinishedListener.class…
processing com/unity/purchasing/googleplay/IabResult.class…
processing com/unity/purchasing/googleplay/Inventory.class…
processing com/unity/purchasing/googleplay/Purchase.class…
processing com/unity/purchasing/googleplay/PurchaseActivity.class…
processing com/unity/purchasing/googleplay/PurchaseFailedEvent.class…
processing com/unity/purchasing/googleplay/SkuDetails.class…
processing com/unity/purchasing/googleplay/VRPurchaseActivity.class…
processing archive C:\Users\Niall\Documents\Key game - Monitised\Temp\StagingArea\android-libraries\appcompat-v7-26.1.0\libs.\classes.jar…
processing android/support/v7/app/ActionBar.class…
processing android/support/v7/app/ActionBar$DisplayOptions.class…
processing android/support/v7/app/ActionBar$LayoutParams.class…
processing android/support/v7/app/ActionBar$NavigationMode.class…
processing android/support/v7/app/ActionBar$OnMenuVisibilityListener.class…
processing android/support/v7/app/ActionBar$OnNavigationListener.class…
processing android/support/v7/app/ActionBar$Tab.class…
processing android/support/v7/app/ActionBar$TabListener.class…
processing android/support/v7/app/ActionBarDrawerToggle.class…
processing android/support/v7/app/ActionBarDrawerToggle$1.class…
processing android/support/v7/app/ActionBarDrawerToggle$Delegate.class…
processing android/support/v7/app/ActionBarDrawerToggle$DelegateProvider.class…
processing android/support/v7/app/ActionBarDrawerToggle$DummyDelegate.class…
processing android/support/v7/app/ActionBarDrawerToggle$HoneycombDelegate.class…
processing android/support/v7/app/ActionBarDrawerToggle$IcsDelegate.class…
processing android/support/v7/app/ActionBarDrawerToggle$JellybeanMr2Delegate.class…
processing android/support/v7/app/ActionBarDrawerToggle$ToolbarCompatDelegate.class…
processing android/support/v7/app/ActionBarDrawerToggleHoneycomb.class…
processing android/support/v7/app/ActionBarDrawerToggleHoneycomb$SetIndicatorInfo.class…
processing android/support/v7/app/AlertController.class…
processing android/support/v7/app/AlertController$1.class…
processing android/support/v7/app/AlertController$2.class…
processing android/support/v7/app/AlertController$3.class…
processing android/support/v7/app/AlertController$4.class…
processing android/support/v7/app/AlertController$5.class…
processing android/support/v7/app/AlertController$AlertParams.class…
processing android/support/v7/app/AlertController$AlertParams$1.class…
processing android/support/v7/app/AlertController$AlertParams$2.class…
processing android/support/v7/app/AlertController$AlertParams$3.class…
processing android/support/v7/app/AlertController$AlertParams$4.class…
processing android/support/v7/app/AlertController$AlertParams$OnPrepareListViewListener.class…
processing android/support/v7/app/AlertController$ButtonHandler.class…
processing android/support/v7/app/AlertController$CheckedItemAdapter.class…
processing android/support/v7/app/AlertController$RecycleListView.class…
processing android/support/v7/app/AlertDialog.class…
processing android/support/v7/app/AlertDialog$Builder.class…
processing android/support/v7/app/AppCompatActivity.class…
processing android/support/v7/app/AppCompatCallback.class…
processing android/support/v7/app/AppCompatDelegate.class…
processing android/support/v7/app/AppCompatDelegate$ApplyableNightMode.class…
processing android/support/v7/app/AppCompatDelegate$NightMode.class…
processing android/support/v7/app/AppCompatDelegateImplBase.class…
processing android/support/v7/app/AppCompatDelegateImplBase$1.class…
processing android/support/v7/app/AppCompatDelegateImplBase$ActionBarDrawableToggleImpl.class…
processing android/support/v7/app/AppCompatDelegateImplBase$AppCompatWindowCallbackBase.class…
processing android/support/v7/app/AppCompatDelegateImplN.class…
processing android/support/v7/app/AppCompatDelegateImplN$AppCompatWindowCallbackN.class…
processing android/support/v7/app/AppCompatDelegateImplV11.class…
processing android/support/v7/app/AppCompatDelegateImplV14.class…
processing android/support/v7/app/AppCompatDelegateImplV14$AppCompatWindowCallbackV14.class…
processing android/support/v7/app/AppCompatDelegateImplV14$AutoNightModeManager.class…
processing android/support/v7/app/AppCompatDelegateImplV14$AutoNightModeManager$1.class…
processing android/support/v7/app/AppCompatDelegateImplV23.class…
processing android/support/v7/app/AppCompatDelegateImplV23$AppCompatWindowCallbackV23.class…
processing android/support/v7/app/AppCompatDelegateImplV9.class…
processing android/support/v7/app/AppCompatDelegateImplV9$1.class…
processing android/support/v7/app/AppCompatDelegateImplV9$2.class…
processing android/support/v7/app/AppCompatDelegateImplV9$3.class…
processing android/support/v7/app/AppCompatDelegateImplV9$4.class…
processing android/support/v7/app/AppCompatDelegateImplV9$5.class…
processing android/support/v7/app/AppCompatDelegateImplV9$5$1.class…
processing android/support/v7/app/AppCompatDelegateImplV9$6.class…
processing android/support/v7/app/AppCompatDelegateImplV9$ActionMenuPresenterCallback.class…
processing android/support/v7/app/AppCompatDelegateImplV9$ActionModeCallbackWrapperV9.class…
processing android/support/v7/app/AppCompatDelegateImplV9$ActionModeCallbackWrapperV9$1.class…
processing android/support/v7/app/AppCompatDelegateImplV9$ListMenuDecorView.class…
processing android/support/v7/app/AppCompatDelegateImplV9$PanelFeatureState.class…
processing android/support/v7/app/AppCompatDelegateImplV9$PanelFeatureState$SavedState.class…
processing android/support/v7/app/AppCompatDelegateImplV9$PanelFeatureState$SavedState$1.class…
processing android/support/v7/app/AppCompatDelegateImplV9$PanelMenuPresenterCallback.class…
processing android/support/v7/app/AppCompatDialog.class…
processing android/support/v7/app/AppCompatDialogFragment.class…
processing android/support/v7/app/AppCompatViewInflater.class…
processing android/support/v7/app/AppCompatViewInflater$DeclaredOnClickListener.class…
processing android/support/v7/app/NavItemSelectedListener.class…
processing android/support/v7/app/NotificationCompat.class…
processing android/support/v7/app/NotificationCompat$Builder.class…
processing android/support/v7/app/NotificationCompat$DecoratedCustomViewStyle.class…
processing android/support/v7/app/NotificationCompat$DecoratedMediaCustomViewStyle.class…
processing android/support/v7/app/NotificationCompat$MediaStyle.class…
processing android/support/v7/app/ResourcesFlusher.class…
processing android/support/v7/app/ToolbarActionBar.class…
processing android/support/v7/app/ToolbarActionBar$1.class…
processing android/support/v7/app/ToolbarActionBar$2.class…
processing android/support/v7/app/ToolbarActionBar$ActionMenuPresenterCallback.class…
processing android/support/v7/app/ToolbarActionBar$MenuBuilderCallback.class…
processing android/support/v7/app/ToolbarActionBar$ToolbarCallbackWrapper.class…
processing android/support/v7/app/TwilightCalculator.class…
processing android/support/v7/app/TwilightManager.class…
processing android/support/v7/app/TwilightManager$TwilightState.class…
processing android/support/v7/app/WindowDecorActionBar.class…
processing android/support/v7/app/WindowDecorActionBar$1.class…
processing android/support/v7/app/WindowDecorActionBar$2.class…
processing android/support/v7/app/WindowDecorActionBar$3.class…
processing android/support/v7/app/WindowDecorActionBar$ActionModeImpl.class…
processing android/support/v7/app/WindowDecorActionBar$TabImpl.class…
processing android/support/v7/appcompat/BuildConfig.class…
processing android/support/v7/conte
Where I think the problem is located is in black
So I did a bit of research and the issue appears to be related to class duplicates/clashes. Solutions I have found have not worked!
Plugins which are installed include :
- The Unity In-App Purchase plugin
- The Analytics plugin
- The Google mobile ad plugin obtained from here: Release Google Mobile Ads Unity Plugin v3.11.1 · googleads/googleads-mobile-unity · GitHub
This is driving me insane and it would be much appreciated if somebody could suggest/tell me a solution or can point out any potential clashes with my plugins 
Thank you in advance