解決方法メモ　unity バージョンアップでエラーー！Google.JarResolver.ResolutionException

Google.JarResolver.ResolutionException: Cannot find candidate artifact for com.google.android.gms:play-services-ads-lite:[11.0.4] at Google.JarResolver.PlayServicesSupport.GetDependencies (Google.JarResolver.Dependency dep) [0x00000] in <filename unknown>:0 at Google.JarResolver.PlayServicesSupport.ResolveDependencies (Boolean useLatest, System.String destDirectory) [0x00000] in <filename unknown>:0 at GooglePlayServices.ResolverVer1_1.DoResolutionNoAndroidPackageChecks (Google.JarResolver.PlayServicesSupport svcSupport, System.String destinationDirectory, Google.JarResolver.OverwriteConfirmation handleOverwriteConfirmation) [0x00000] in <filename unknown>:0 UnityEngine.Debug:LogError(Object) GooglePlayServices.ResolverVer1_1:DoResolutionNoAndroidPackageChecks(PlayServicesSupport, String, OverwriteConfirmation) GooglePlayServices.<DoResolution>c__AnonStorey5:<>m__8() GooglePlayServices.ResolverVer1_1:DoResolution(PlayServicesSupport, String, OverwriteConfirmation, Action) GooglePlayServices.PlayServicesResolver:Resolve(Action) GooglePlayServices.PlayServicesResolver:AutoResolve() GooglePlayServices.PlayServicesResolver:OnPostprocessAllAssets(String[], String[], String[], String[]) UnityEditor.AssetPostprocessingInternal:PostprocessAllAssets(String[], String[], String[], String[], String[])  

①GoogleMobileAdsとPlayServiceResolverを削除する。

  confilctingなんとか〜　自動で辻褄合わせちゃるよ？ って感じのメッセージが出たのでOKを押下。 以下のような窓が何回か出るが「Yes」を押しまくる！！ そのあとUnityを再起動！ するとあら不思議！ エラーがなくなりましたよ！   素晴らしい！！！ ありがとうございました。        ]]>