OK, Thank You

Hey buddy, what should I do. 

2021.17.3068

My unity v is 2021.3.18

the reason of error is what i choose the hybirdclr/ generate/all 

Exception: IL2CPP error for method 'UnityEngine.Quaternion game4automation.IKCalculator::(UnityEngine.Quaternion)' in assembly 'D:\ZhangKang\IA_dev\Temp\StagingArea\Data\Managed\ikcalculator.dll'

System.NullReferenceException: Object reference not set to an instance of an object.

at Unity.Cecil.Awesome.CFG.ControlFlowGraphBuilder.ConnectBlock(InstructionBlock block)

at Unity.Cecil.Awesome.CFG.ControlFlowGraphBuilder.ConnectBlocks()

at Unity.Cecil.Awesome.CFG.ControlFlowGraphBuilder.CreateGraph()

at Unity.IL2CPP.MethodBodyWriter..ctor(MethodWriteContext context, IGeneratedMethodCodeWriter writer, IRuntimeMetadataAccess metadataAccess)

at Unity.IL2CPP.MethodWriter.WriteMethodBody(MethodWriteContext context, IGeneratedMethodCodeWriter methodBodyWriter, IRuntimeMetadataAccess metadataAccess)

at Unity.IL2CPP.CodeWriters.CodeWriterExtensions.WriteMethodWithMetadataInitialization(IGeneratedMethodCodeWriter writer, String methodSignature, String methodFullName, Action`2 writeMethodBody, String uniqueIdentifier, MethodReference methodRef)

at Unity.IL2CPP.MethodWriter.WriteMethodDefinition(AssemblyWriteContext context, IGeneratedMethodCodeWriter writer, MethodReference method, Boolean addToMethodCollection)

at Unity.IL2CPP.SourceWriter.WriteType(SourceWritingContext context, IGeneratedMethodCodeWriter writer, TypeReference type, NPath filePath, Boolean writeMarshalingDefinitions, Boolean addToMethodCollection)

at Unity.IL2CPP.SourceWriters.TypeMethodsSourceWriter.WriteItem(SourceWritingContext context, IGeneratedMethodCodeWriter writer, TypeDefinition item, NPath filePath)

at Unity.IL2CPP.SourceWriters.SourceWriterBase`1.WriteItem(StreamWorkItemData`2 data)

at Unity.IL2CPP.Contexts.Scheduling.Streams.FileLevelParallelStreamManager`2.WorkerWriteItemsToFile(WorkItemData`2 data)

at Unity.IL2CPP.Contexts.Scheduling.PhaseWorkScheduler`1.WorkerLoop(Object data)

UnityEditorInternal.Runner.RunProgram (UnityEditor.Utils.Program p, System.String exe, System.String args, System.String workingDirectory, UnityEditor.Scripting.Compilers.CompilerOutputParserBase parser) (at :0)

UnityEditorInternal.Runner.RunManagedProgram (System.String exe, System.String args, System.String workingDirectory, UnityEditor.Scripting.Compilers.CompilerOutputParserBase parser, System.Action`1[T] setupStartInfo) (at :0)

UnityEditorInternal.IL2CPPBuilder.RunIl2CppWithArguments (System.Collections.Generic.List`1[T] arguments, System.Action`1[T] setupStartInfo) (at :0)

UnityEditorInternal.IL2CPPBuilder.ConvertPlayerDlltoCpp (UnityEditor.Il2Cpp.Il2CppBuildPipelineData data) (at :0)

UnityEditorInternal.IL2CPPBuilder.Run () (at :0)

UnityEditorInternal.IL2CPPUtils.RunIl2Cpp (System.String stagingAreaData, UnityEditorInternal.IIl2CppPlatformProvider platformProvider, System.Action`1[T] modifyOutputBeforeCompile, UnityEditor.RuntimeClassRegistry runtimeClassRegistry) (at :0)

DesktopStandalonePostProcessor.RunIL2CPP (UnityEditor.Modules.BuildPostProcessArgs args, UnityEditorInternal.IIl2CppPlatformProvider il2cppPlatformProvider, System.Collections.Generic.List`1[T] cppPlugins) (at :0)

DesktopStandalonePostProcessor.SetupStagingArea (UnityEditor.Modules.BuildPostProcessArgs args, System.Collections.Generic.HashSet`1[T] filesToNotOverwrite) (at :0)

DesktopStandalonePostProcessor.PostProcess (UnityEditor.Modules.BuildPostProcessArgs args) (at :0)

Rethrow as BuildFailedException: Exception of type 'UnityEditor.Build.BuildFailedException' was thrown.

DesktopStandalonePostProcessor.PostProcess (UnityEditor.Modules.BuildPostProcessArgs args) (at :0)

UnityEditor.Modules.DefaultBuildPostprocessor.PostProcess (UnityEditor.Modules.BuildPostProcessArgs args, UnityEditor.BuildProperties& outProperties) (at :0)

UnityEditor.PostprocessBuildPlayer.Postprocess (UnityEditor.BuildTargetGroup targetGroup, UnityEditor.BuildTarget target, System.String installPath, System.String companyName, System.String productName, System.Int32 width, System.Int32 height, UnityEditor.BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry, UnityEditor.Build.Reporting.BuildReport report) (at :0)

UnityEditor.BuildPipeline:BuildPlayer(BuildPlayerOptions)

HybridCLR.Editor.Commands.StripAOTDllCommand:GenerateStripedAOTDlls(BuildTarget) (at Library/PackageCache/com.code-philosophy.hybridclr@e5a6952777/Editor/Commands/StripAOTDllCommand.cs:144)

HybridCLR.Editor.Commands.PrebuildCommand:GenerateAll() (at Library/PackageCache/com.code-philosophy.hybridclr@e5a6952777/Editor/Commands/PrebuildCommand.cs:32)