Unity上でxcodeのプロジェクトフォルダを作成できない

現状

タイトルのように、UnityでiOSにビルドしようとするとエラーが出てしまいます。
UnusedBytecodeStripper2.exeが実行されていないことはわかるのですが、うまくいきません。
解決策を教えていただきたいです。

やってみたこと

・PlayerSettingsのOtherSettingsのOptimizationのApeCompatibilityを.NET 2.0Subsetから.NETへ変更した。

エラーメッセージ

Exception: /Applications/Unity/Unity.app/Contents/Tools/UnusedByteCodeStripper2/UnusedBytecodeStripper2.exe did not run properly!
UnityEditorInternal.Runner.RunManagedProgram (System.String exe, System.String args, System.String workingDirectory, UnityEditor.Scripting.Compilers.CompilerOutputParserBase parser, System.Action`1 setupStartInfo) (at /Users/builduser/buildslave/unity/build/Editor/Mono/BuildPipeline/BuildUtils.cs:98)
UnityEditorInternal.AssemblyStripper.RunAssemblyLinker (IEnumerable`1 args, System.String& out, System.String& err, System.String linkerPath, System.String workingDirectory) (at /Users/builduser/buildslave/unity/build/Editor/Mono/BuildPipeline/AssemblyStripper.cs:104)
UnityEditorInternal.AssemblyStripper.StripAssembliesTo (System.String[] assemblies, System.String[] searchDirs, System.String outputFolder, System.String workingDirectory, System.String& output, System.String& error, System.String linkerPath, IIl2CppPlatformProvider platformProvider, IEnumerable`1 additionalBlacklist, Boolean developmentBuild) (at /Users/builduser/buildslave/unity/build/Editor/Mono/BuildPipeline/AssemblyStripper.cs:97)
UnityEditorInternal.AssemblyStripper.RunAssemblyStripper (System.String stagingAreaData, IEnumerable assemblies, System.String managedAssemblyFolderPath, System.String[] assembliesToStrip, System.String[] searchDirs, System.String monoLinkerPath, IIl2CppPlatformProvider platformProvider, UnityEditor.RuntimeClassRegistry rcr, Boolean developmentBuild) (at /Users/builduser/buildslave/unity/build/Editor/Mono/BuildPipeline/AssemblyStripper.cs:196)
UnityEditorInternal.AssemblyStripper.StripAssemblies (System.String stagingAreaData, IIl2CppPlatformProvider platformProvider, UnityEditor.RuntimeClassRegistry rcr, Boolean developmentBuild) (at /Users/builduser/buildslave/unity/build/Editor/Mono/BuildPipeline/AssemblyStripper.cs:128)
UnityEditorInternal.IL2CPPBuilder.Run () (at /Users/builduser/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:118)
UnityEditorInternal.IL2CPPUtils.RunIl2Cpp (System.String tempFolder, System.String stagingAreaData, IIl2CppPlatformProvider platformProvider, System.Action`1 modifyOutputBeforeCompile, UnityEditor.RuntimeClassRegistry runtimeClassRegistry, Boolean developmentBuild) (at /Users/builduser/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:32)
UnityEditor.iOS.PostProcessiPhonePlayer.CrossCompileManagedDlls (BuildSettings bs, UnityEditor.iOS.ProjectPaths paths, UnityEditor.AssemblyReferenceChecker checker, UnityEditor.RuntimeClassRegistry usedClassRegistry) (at /Users/builduser/buildslave/unity/build/PlatformDependent/iPhonePlayer/Extensions/Common/BuildPostProcessor.cs:664)
UnityEditor.iOS.PostProcessiPhonePlayer.PostProcess (BuildSettings bs, UnityEditor.iOS.ProjectPaths paths, UnityEditor.RuntimeClassRegistry usedClassRegistry) (at /Users/builduser/buildslave/unity/build/PlatformDependent/iPhonePlayer/Extensions/Common/BuildPostProcessor.cs:507)
UnityEditor.iOS.PostProcessiPhonePlayer.PostProcess (PostProcessorSettings postProcessorSettings, BuildPostProcessArgs args) (at /Users/builduser/buildslave/unity/build/PlatformDependent/iPhonePlayer/Extensions/Common/BuildPostProcessor.cs:478)
UnityEditor.iOS.iOSBuildPostprocessor.PostProcess (BuildPostProcessArgs args) (at /Users/builduser/buildslave/unity/build/PlatformDependent/iPhonePlayer/Extensions/Common/ExtensionModule.cs:34)
UnityEditor.PostprocessBuildPlayer.Postprocess (BuildTarget target, System.String installPath, System.String companyName, System.String productName, Int32 width, Int32 height, System.String downloadWebplayerUrl, System.String manualDownloadWebplayerUrl, BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry, UnityEditor.BuildReporting.BuildReport report) (at /Users/builduser/buildslave/unity/build/Editor/Mono/BuildPipeline/PostprocessBuildPlayer.cs:186)
UnityEditor.HostView:OnGUI()