CommandInvokationFailure: Failed to create a assets.ap_ package See the Console for details.

新しくAndroid用プロジェクトを作ってapk出力させようと思ったのですが、画像のようにエラーが出てビルドできません。

コンソール↓

CommandInvokationFailure: Failed to create a assets.ap_ package

C:\Program Files\Unity\Editor\Data\PlaybackEngines\AndroidPlayer/Tools\OpenJDK\Windows\bin\java.exe -Xmx4096M -Dcom.android.sdkmanager.toolsdir="C:/Android/android-sdk\tools" -Dfile.encoding=UTF8 -jar "C:\Program Files\Unity\Editor\Data\PlaybackEngines\AndroidPlayer/Tools\sdktools.jar" -
stderr[
Exception in thread "main" java.lang.reflect.InvocationTargetException
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:136)
Caused by: java.lang.NoSuchMethodError: com.google.common.util.concurrent.MoreExecutors.directExecutor()Ljava/util/concurrent/Executor;
at com.android.apkzlib.zip.ZFile.createSources(ZFile.java:1586)
at com.android.apkzlib.zip.ZFile.makeStoredEntry(ZFile.java:1546)
at com.android.apkzlib.zip.ZFile.add(ZFile.java:1625)
at com.android.apkzlib.zfile.ApkZFileCreator.writeFile(ApkZFileCreator.java:158)
at UnityPackageBuilder.addDir(UnityPackageBuilder.java:89)
at UnityPackageBuilder.addDir(UnityPackageBuilder.java:83)
at UnityPackageBuilder.addDir(UnityPackageBuilder.java:83)
at UnityPackageBuilder.CreatePackage(UnityPackageBuilder.java:132)
at UnityPackageBuilder.<init>(UnityPackageBuilder.java:70)
at UnityPackageBuilder.main(UnityPackageBuilder.java:27)
... 5 more
]
stdout[
]
exit code: 1
UnityEditor.Android.AndroidSDKTools.RunCommand (System.String javaExe, System.String sdkToolsDir, System.String[] sdkToolCommand, System.String workingdir, System.String errorMsg, System.Int32 memoryMB) (at <e1c3953b4cf040ddb1400046b1c34897>:0)
UnityEditor.Android.AndroidSDKTools.RunSDKToolWithReadLock (System.String[] command, System.String workingdir, System.String errorMsg) (at <e1c3953b4cf040ddb1400046b1c34897>:0)
UnityEditor.Android.PostProcessor.Tasks.AAPTPackage.CreatePackage (UnityEditor.Android.PostProcessor.PostProcessorContext context, System.String package, System.String directory, System.Boolean compress) (at <e1c3953b4cf040ddb1400046b1c34897>:0)
UnityEditor.Android.PostProcessor.Tasks.AAPTPackage.Pack (UnityEditor.Android.PostProcessor.PostProcessorContext context, System.String package, System.String directory, System.Boolean compress, System.Boolean useAAPT) (at <e1c3953b4cf040ddb1400046b1c34897>:0)
UnityEditor.Android.PostProcessor.Tasks.AAPTPackage.Execute (UnityEditor.Android.PostProcessor.PostProcessorContext context) (at <e1c3953b4cf040ddb1400046b1c34897>:0)
UnityEditor.Android.PostProcessor.PostProcessRunner.RunAllTasks (UnityEditor.Android.PostProcessor.PostProcessorContext context) (at <e1c3953b4cf040ddb1400046b1c34897>:0)
UnityEngine.GUIUtility:ProcessEvent(Int32,

Build completed with a result of 'Failed'

UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)

UnityEditor.BuildPlayerWindow+BuildMethodException: 2 errors

at UnityEditor.BuildPlayerWindow+DefaultBuildMethods.BuildPlayer (UnityEditor.BuildPlayerOptions options) [0x00234] in C:\buildslave\unity\build\Editor\Mono\BuildPlayerWindowBuildMethods.cs:190
at UnityEditor.BuildPlayerWindow.CallBuildMethods (System.Boolean askForBuildLocation, UnityEditor.BuildOptions defaultBuildOptions) [0x0007f] in C:\buildslave\unity\build\Editor\Mono\BuildPlayerWindowBuildMethods.cs:96
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)

ネットで探しても違うエラーがヒットするしお手上げ状態です...
何をすれば良いのかもわかりません。
どなたかわかりますか？

###環境