Getting Error MSB4018: The "CheckDuplicateJavaLibraries" task failed unexpectedly.

/Library/Frameworks/Mono.framework/External/xbuild/Xamarin/Android/Xamarin.Android.Common.targets(3,3): Error MSB4018: The "CheckDuplicateJavaLibraries" task failed unexpectedly.
System.IO.FileNotFoundException: Could not find file 'obj/Debug/library_projects/Xamarin.Android.Support.Animated.Vector.Drawable/library_project_imports/classes.jar'.
File name: 'obj/Debug/library_projects/Xamarin.Android.Support.Animated.Vector.Drawable/library_project_imports/classes.jar'
at System.IO.__Error.WinIOError (System.Int32 errorCode, System.String maybeFullPath) [0x00207] in /private/tmp/source-mono-2017-02/bockbuild-2017-02/profiles/mono-mac-xamarin/build-root/mono-x86/mcs/class/referencesource/mscorlib/system/io/__error.cs:188
at System.IO.FileInfo.get_Length () [0x00038] in /private/tmp/source-mono-2017-02/bockbuild-2017-02/profiles/mono-mac-xamarin/build-root/mono-x86/mcs/class/referencesource/mscorlib/system/io/fileinfo.cs:171
at (wrapper remoting-invoke-with-check) System.IO.FileInfo:get_Length ()
at Xamarin.Android.Tasks.MonoAndroidHelper+SizeAndContentFileComparer.GetHashCode (System.IO.FileInfo obj) [0x00001] in /Users/builder/data/lanes/4695/9dbc4c53/source/xamarin-android/src/Xamarin.Android.Build.Tasks/Utilities/MonoAndroidHelper.cs:101
at System.Linq.Set1[TElement].InternalGetHashCode (TElement value) [0x00000] in /private/tmp/source-mono-2017-02/bockbuild-2017-02/profiles/mono-mac-xamarin/build-root/mono-x86/external/corefx/src/System.Linq/src/System/Linq/Set.cs:206 at System.Linq.Set1[TElement].Add (TElement value) [0x00000] in /private/tmp/source-mono-2017-02/bockbuild-2017-02/profiles/mono-mac-xamarin/build-root/mono-x86/external/corefx/src/System.Linq/src/System/Linq/Set.cs:74
at System.Linq.Enumerable+DistinctIterator1[TSource].MoveNext () [0x00083] in /private/tmp/source-mono-2017-02/bockbuild-2017-02/profiles/mono-mac-xamarin/build-root/mono-x86/external/corefx/src/System.Linq/src/System/Linq/Distinct.cs:72 at System.Linq.Enumerable+SelectEnumerableIterator2[TSource,TResult].ToArray () [0x00030] in /private/tmp/source-mono-2017-02/bockbuild-2017-02/profiles/mono-mac-xamarin/build-root/mono-x86/external/corefx/src/System.Linq/src/System/Linq/Select.cs:155
at System.Linq.Enumerable.ToArray[TSource] (System.Collections.Generic.IEnumerable1[T] source) [0x00015] in /private/tmp/source-mono-2017-02/bockbuild-2017-02/profiles/mono-mac-xamarin/build-root/mono-x86/external/corefx/src/System.Linq/src/System/Linq/ToCollection.cs:19 at Xamarin.Android.Tasks.MonoAndroidHelper.DistinctFilesByContent (System.Collections.Generic.IEnumerable1[T] filePaths) [0x00001] in /Users/builder/data/lanes/4695/9dbc4c53/source/xamarin-android/src/Xamarin.Android.Build.Tasks/Utilities/MonoAndroidHelper.cs:164
at Xamarin.Android.Tasks.CheckDuplicateJavaLibraries.Execute () [0x000fb] in /Users/builder/data/lanes/4695/9dbc4c53/source/xamarin-android/src/Xamarin.Android.Build.Tasks/Tasks/CheckDuplicateJavaLibraries.cs:29
at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute () [0x00023] in /private/tmp/source-mono-2017-02/bockbuild-2017-02/profiles/mono-mac-xamarin/build-root/msbuild-15.0/src/Build/BackEnd/TaskExecutionHost/TaskExecutionHost.cs:632
at Microsoft.Build.BackEnd.TaskBuilder+d__26.MoveNext () [0x00249] in /private/tmp/source-mono-2017-02/bockbuild-2017-02/profiles/mono-mac-xamarin/build-root/msbuild-15.0/src/Build/BackEnd/Components/RequestBuilder/TaskBuilder.cs:787 (MSB4018) (App2.Droid)