unity5.3.4 build ios il2cpp error

I'm getting the below (quoted) error when trying to build to iOS. (unity5.3.4f1).i do not know how to fix it. who can help me? i'm waitting.thanks

IL2CPP error (no further information about what managed code was being converted is available) Additional information: Build a development build for more information. ���õ�Ŀ�귢�����쳣�� Failed running C:\Program Files\unity5.3.4\Unity\Editor\Data\il2cpp/build/il2cpp.exe --convert-to-cpp --copy-level=None --emit-null-checks --enable-array-bounds-check --extra-types.file="C:\Program Files\unity5.3.4\Unity\Editor\Data\il2cpp\il2cpp_default_extra_types.txt" --assembly="F:\Projects\PetPlanet_2017.9.1\ClientForIOS_20180207\PetsPlanet\Temp\StagingArea\Data\Managed\Assembly-CSharp-firstpass.dll" --assembly="F:\Projects\PetPlanet_2017.9.1\ClientForIOS_20180207\PetsPlanet\Temp\StagingArea\Data\Managed\Assembly-CSharp.dll" --assembly="F:\Projects\PetPlanet_2017.9.1\ClientForIOS_20180207\PetsPlanet\Temp\StagingArea\Data\Managed\UnityEngine.UI.dll" --assembly="F:\Projects\PetPlanet_2017.9.1\ClientForIOS_20180207\PetsPlanet\Temp\StagingArea\Data\Managed\CoreGameLib.dll" --assembly="F:\Projects\PetPlanet_2017.9.1\ClientForIOS_20180207\PetsPlanet\Temp\StagingArea\Data\Managed\Tool.dll" --assembly="F:\Projects\PetPlanet_2017.9.1\ClientForIOS_20180207\PetsPlanet\Temp\StagingArea\Data\Managed\PlayMaker.dll" --assembly="F:\Projects\PetPlanet_2017.9.1\ClientForIOS_20180207\PetsPlanet\Temp\StagingArea\Data\Managed\UnityEngine.dll" --generatedcppdir="F:\Projects\PetPlanet_2017.9.1\ClientForIOS_20180207\PetsPlanet\Temp\il2cppOutput\il2cppOutput"

stdout: IL2CPP error (no further information about what managed code was being converted is available) Additional information: Build a development build for more information. ���õ�Ŀ�귢�����쳣�� il2cpp.exe didn't catch exception: System.Reflection.TargetInvocationException: ���õ�Ŀ�귢�����쳣�� ---> System.NullReferenceException: δ�������������õ�������ʵ���� �� Unity.IL2CPP.GenericSharing.GenericSharingAnalysisComponent.GetSharedType(TypeReference type) �� Unity.IL2CPP.GenericsCollection.GenericContextAwareVisitor.ProcessGenericType(GenericInstanceType type, InflatedCollectionCollector generics, GenericInstanceMethod contextMethod) �� Unity.IL2CPP.GenericsCollection.GenericContextFreeVisitor.ProcessCustomAttributeTypeReferenceRecursive(TypeReference typeReference) �� Unity.IL2CPP.GenericsCollection.GenericContextFreeVisitor.ProcessCustomAttributeArgument(CustomAttributeArgument customAttributeArgument) �� Unity.IL2CPP.GenericsCollection.GenericContextFreeVisitor.ProcessCustomAttributeArgument(CustomAttributeArgument customAttributeArgument) �� Unity.IL2CPP.GenericsCollection.GenericContextFreeVisitor.Visit(CustomAttributeArgument customAttributeArgument, Context context) �� Unity.Cecil.Visitor.Visitor.Visit(CustomAttribute customAttribute, Context context) �� Unity.Cecil.Visitor.Visitor.Visit(MethodDefinition methodDefinition, Context context) �� Unity.IL2CPP.GenericsCollection.GenericContextFreeVisitor.Visit(MethodDefinition methodDefinition, Context context) �� Unity.Cecil.Visitor.Visitor.Visit(TypeDefinition typeDefinition, Context context) �� Unity.Cecil.Visitor.Visitor.Visit(ModuleDefinition moduleDefinition, Context context) �� Unity.Cecil.Visitor.Visitor.Visit(AssemblyDefinition assemblyDefinition, Context context) --- �ڲ��쳣��ջ���ٵĽ�β --- �� System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) �� System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) �� System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) �� System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters) �� Unity.Cecil.Visitor.Visitor.Visit[T](T node, Context context) �� Unity.IL2CPP.GenericsCollection.GenericsCollector.CollectPerAssembly(AssemblyDefinition assembly) �� System.Linq.Enumerable.WhereSelectListIterator`2.MoveNext() �� Unity.IL2CPP.GenericsCollection.GenericsCollector.MergeCollections(IEnumerable`1 collections) �� Unity.IL2CPP.GenericsCollection.GenericsCollector.Collect(IEnumerable`1 assemblies) �� Unity.IL2CPP.AssemblyConverter.PreProcessStage(InflatedCollectionCollector& genericsCollectionCollector, TypeDefinition[]& allTypeDefinitions) �� Unity.IL2CPP.AssemblyConverter.Apply() �� Unity.IL2CPP.AssemblyConverter.ConvertAssemblies(String[] assemblies, NPath outputDir) �� Unity.IL2CPP.AssemblyConverter.ConvertAssemblies(IEnumerable`1 assemblyDirectories, IEnumerable`1 explicitAssemblies, NPath outputDir) �� il2cpp.Program.DoRun(String[] args) �� il2cpp.Program.Run(String[] args) �� il2cpp.Program.Main(String[] args) stderr:

δ���������쳣: System.Reflection.TargetInvocationException: ���õ�Ŀ�귢�����쳣�� ---> System.NullReferenceException: δ�������������õ�������ʵ���� �� Unity.IL2CPP.GenericSharing.GenericSharingAnalysisComponent.GetSharedType(TypeReference type) �� Unity.IL2CPP.GenericsCollection.GenericContextAwareVisitor.ProcessGenericType(GenericInstanceType type, InflatedCollectionCollector generics, GenericInstanceMethod contextMethod) �� Unity.IL2CPP.GenericsCollection.GenericContextFreeVisitor.ProcessCustomAttributeTypeReferenceRecursive(TypeReference typeReference) �� Unity.IL2CPP.GenericsCollection.GenericContextFreeVisitor.ProcessCustomAttributeArgument(CustomAttributeArgument customAttributeArgument) �� Unity.IL2CPP.GenericsCollection.GenericContextFreeVisitor.ProcessCustomAttributeArgument(CustomAttributeArgument customAttributeArgument) �� Unity.IL2CPP.GenericsCollection.GenericContextFreeVisitor.Visit(CustomAttributeArgument customAttributeArgument, Context context) �� Unity.Cecil.Visitor.Visitor.Visit(CustomAttribute customAttribute, Context context) �� Unity.Cecil.Visitor.Visitor.Visit(MethodDefinition methodDefinition, Context context) �� Unity.IL2CPP.GenericsCollection.GenericContextFreeVisitor.Visit(MethodDefinition methodDefinition, Context context) �� Unity.Cecil.Visitor.Visitor.Visit(TypeDefinition typeDefinition, Context context) �� Unity.Cecil.Visitor.Visitor.Visit(ModuleDefinition moduleDefinition, Context context) �� Unity.Cecil.Visitor.Visitor.Visit(AssemblyDefinition assemblyDefinition, Context context) --- �ڲ��쳣��ջ���ٵĽ�β --- �� System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) �� System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) �� System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) �� System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters) �� Unity.Cecil.Visitor.Visitor.Visit[T](T node, Context context) �� Unity.IL2CPP.GenericsCollection.GenericsCollector.CollectPerAssembly(AssemblyDefinition assembly) �� System.Linq.Enumerable.WhereSelectListIterator`2.MoveNext() �� Unity.IL2CPP.GenericsCollection.GenericsCollector.MergeCollections(IEnumerable`1 collections) �� Unity.IL2CPP.GenericsCollection.GenericsCollector.Collect(IEnumerable`1 assemblies) �� Unity.IL2CPP.AssemblyConverter.PreProcessStage(InflatedCollectionCollector& genericsCollectionCollector, TypeDefinition[]& allTypeDefinitions) �� Unity.IL2CPP.AssemblyConverter.Apply() �� Unity.IL2CPP.AssemblyConverter.ConvertAssemblies(String[] assemblies, NPath outputDir) �� Unity.IL2CPP.AssemblyConverter.ConvertAssemblies(IEnumerable`1 assemblyDirectories, IEnumerable`1 explicitAssemblies, NPath outputDir) �� il2cpp.Program.DoRun(String[] args) �� il2cpp.Program.Run(String[] args) �� il2cpp.Program.Main(String[] args)

UnityEngine.Debug:LogError(Object) UnityEditorInternal.Runner:RunManagedProgram(String, String, String, CompilerOutputParserBase) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:94) UnityEditorInternal.IL2CPPBuilder:ConvertPlayerDlltoCpp(ICollection`1, String, String) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:328) UnityEditorInternal.IL2CPPBuilder:Run() (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:203) UnityEditorInternal.IL2CPPUtils:RunIl2Cpp(String, String, IIl2CppPlatformProvider, Action`1, RuntimeClassRegistry, Boolean) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:128) UnityEditor.HostView:OnGUI()

Exception: C:\Program Files\unity5.3.4\Unity\Editor\Data\il2cpp/build/il2cpp.exe did not run properly! UnityEditorInternal.Runner.RunManagedProgram (System.String exe, System.String args, System.String workingDirectory, UnityEditor.Scripting.Compilers.CompilerOutputParserBase parser) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:96) UnityEditorInternal.IL2CPPBuilder.ConvertPlayerDlltoCpp (ICollection`1 userAssemblies, System.String outputDirectory, System.String workingDirectory) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:328) UnityEditorInternal.IL2CPPBuilder.Run () (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:203) UnityEditorInternal.IL2CPPUtils.RunIl2Cpp (System.String tempFolder, System.String stagingAreaData, IIl2CppPlatformProvider platformProvider, System.Action`1 modifyOutputBeforeCompile, UnityEditor.RuntimeClassRegistry runtimeClassRegistry, Boolean developmentBuild) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:128) UnityEditor.iOS.PostProcessiPhonePlayer.PostProcess (BuildTarget target, System.String stagingAreaData, System.String stagingArea, System.String stagingAreaDataManaged, System.String playerPackage, System.String installPath, System.String companyName, System.String productName, BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry) (at /Users/builduser/buildslave/unity/build/PlatformDependent/iPhonePlayer/Extensions/Common/BuildPostProcessor.cs:429) UnityEditor.iOS.iOSBuildPostprocessor.PostProcess (BuildPostProcessArgs args) (at /Users/builduser/buildslave/unity/build/PlatformDependent/iPhonePlayer/Extensions/Common/ExtensionModule.cs:27) 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) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/PostprocessBuildPlayer.cs:316) UnityEditor.HostView:OnGUI()

Error building Player: Exception: C:\Program Files\unity5.3.4\Unity\Editor\Data\il2cpp/build/il2cpp.exe did not run properly!