リリースモードで実行しようとすると、次の例外が発生します。
4> C:\Program Files (x86)\MSBuild\Xamarin\Android\Xamarin.Android.Common.targets(1124,3): error MSB4018: The "BuildApk" task failed unexpectedly.
4>C:\Program Files (x86)\MSBuild\Xamarin\Android\Xamarin.Android.Common.targets(1124,3): error MSB4018: System.ArgumentException: An item with the same key has already been added.
4>C:\Program Files (x86)\MSBuild\Xamarin\Android\Xamarin.Android.Common.targets(1124,3): error MSB4018: at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)
4>C:\Program Files (x86)\MSBuild\Xamarin\Android\Xamarin.Android.Common.targets(1124,3): error MSB4018: at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
4>C:\Program Files (x86)\MSBuild\Xamarin\Android\Xamarin.Android.Common.targets(1124,3): error MSB4018: at Ionic.Zip.ZipFile._InternalAddEntry(ZipEntry ze)
4>C:\Program Files (x86)\MSBuild\Xamarin\Android\Xamarin.Android.Common.targets(1124,3): error MSB4018: at Ionic.Zip.ZipFile.AddFile(String fileName, String directoryPathInArchive)
4>C:\Program Files (x86)\MSBuild\Xamarin\Android\Xamarin.Android.Common.targets(1124,3): error MSB4018: at Xamarin.Android.Tasks.BuildApk.AddAssemblies(ZipFile apk)
4>C:\Program Files (x86)\MSBuild\Xamarin\Android\Xamarin.Android.Common.targets(1124,3): error MSB4018: at Xamarin.Android.Tasks.BuildApk.Execute()
4>C:\Program Files (x86)\MSBuild\Xamarin\Android\Xamarin.Android.Common.targets(1124,3): error MSB4018: at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()
4>C:\Program Files (x86)\MSBuild\Xamarin\Android\Xamarin.Android.Common.targets(1124,3): error MSB4018: at Microsoft.Build.BackEnd.TaskBuilder.<ExecuteInstantiatedTask>d__20.MoveNext()
この問題を解決するにはどうすればよいですか?