* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

5주차 광고이후 프로젝트를 키고 끌때마다 계속 오류가 납니다.

작성한 코드 및 에러 메세지

Job failed with exception: GooglePlayServices.JavaUtilities+ToolNotFoundException: jar not found.

 at GooglePlayServices.PlayServicesResolver.ExtractZip (System.String zipFile, System.Collections.Generic.IEnumerable`1[T] extractFilenames, System.String outputDirectory, System.Boolean update) [0x00130] in <6107d0e161ea44f5b1a06a3cb63d4bc0>:0 

 at Google.GradleWrapper.Extract (Google.Logger logger) [0x00045] in <6107d0e161ea44f5b1a06a3cb63d4bc0>:0 

 at GooglePlayServices.GradleResolver.GradleResolution (System.String destinationDirectory, System.String androidSdkPath, System.Boolean logErrorOnMissingArtifacts, System.Boolean closeWindowOnCompletion, System.Action`1[T] resolutionComplete) [0x00085] in <6107d0e161ea44f5b1a06a3cb63d4bc0>:0 

 at GooglePlayServices.GradleResolver.DoResolutionUnsafe (System.String destinationDirectory, System.Boolean closeWindowOnCompletion, System.Action resolutionComplete) [0x000ba] in <6107d0e161ea44f5b1a06a3cb63d4bc0>:0 

 at GooglePlayServices.GradleResolver+<DoResolution>c__AnonStorey13.<>m__1D () [0x00000] in <6107d0e161ea44f5b1a06a3cb63d4bc0>:0 

 at Google.RunOnMainThread.ExecuteNext () [0x0003d] in <bc484ae24804425b9f40a568d4bcd71d>:0 

UnityEngine.Debug:LogError (object)

Google.RunOnMainThread:ExecuteNext ()

Google.RunOnMainThread:<ExecuteAll>m__A ()

Google.RunOnMainThread:RunAction (System.Action)

Google.RunOnMainThread:ExecuteAll ()

Google.RunOnMainThread:Run (System.Action,bool)

GooglePlayServices.GradleResolver:DoResolution (string,bool,System.Action)

GooglePlayServices.PlayServicesResolver:ResolveUnsafe (System.Action`1<bool>,bool,bool,bool)

GooglePlayServices.PlayServicesResolver/<ScheduleResolve>c__AnonStorey1E:<>m__3F ()

GooglePlayServices.PlayServicesResolver:ExecuteNextResolveJob ()

GooglePlayServices.PlayServicesResolver:ScheduleResolve (bool,bool,System.Action`1<bool>,bool)

GooglePlayServices.PlayServicesResolver:AutoResolve (System.Action)

GooglePlayServices.PlayServicesResolver:<ScheduleAutoResolve>m__47 ()

Google.RunOnMainThread:ExecutePollingJobs ()

Google.RunOnMainThread:<ExecuteAll>m__A ()

Google.RunOnMainThread:RunAction (System.Action)

Google.RunOnMainThread:ExecuteAll ()

UnityEditor.EditorApplication:Internal_CallUpdateFunctions ()