Getting this error:
ResolutionException: Cannot find candidate artifact for com.google.android.gms:play-services-games:8.1+ Google.JarResolver.PlayServicesSupport.DependOn (System.String group, System.String artifact, System.String version) GooglePlayGames.BackgroundResolution.AddDependencies () (at Assets/GooglePlayGames/Editor/BackgroundResolution.cs:53) GooglePlayGames.BackgroundResolution..cctor () (at Assets/GooglePlayGames/Editor/BackgroundResolution.cs:45) Rethrow as TypeInitializationException: An exception was thrown by the type initializer for GooglePlayGames.BackgroundResolution System.Runtime.CompilerServices.RuntimeHelpers.RunClassConstructor (RuntimeTypeHandle type) (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System.Runtime.CompilerServices/RuntimeHelpers.cs:101) UnityEditor.EditorAssemblies.ProcessEditorInitializeOnLoad (System.Type type) (at C:/buildslave/unity/build/Editor/Mono/EditorAssemblies.cs:123) Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation. System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:519) System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:528) System.Reflection.ConstructorInfo.Invoke (System.Object[] parameters) (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System.Reflection/ConstructorInfo.cs:77) System.Activator.CreateInstance (System.Type type, Boolean nonPublic) (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System/Activator.cs:372) System.Activator.CreateInstance (System.Type type) (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System/Activator.cs:254) UnityEditor.AssetPostprocessingInternal.GetMeshProcessorVersions () (at C:/buildslave/unity/build/Editor/Mono/AssetPostprocessor.cs:145) UnityEditor.AssetPostprocessingInternal:GetMeshProcessorVersions()
How to solve this?