PackagingResults:Error: Error Unknown Error

Hello, I’ve recently been working on a few levels that I want to package up, but I keep getting this error, and I can’t find a way around it. If anyone could help that would be great.

Here is the Output log:

MainFrameActions: Packaging (Windows (64-bit)): Running AutomationTool…
MainFrameActions: Packaging (Windows (64-bit)): Program.Main: CWD=C:\Program Files\Epic Games\4.10\Engine\Binaries\DotNET
MainFrameActions: Packaging (Windows (64-bit)): Automation.ParseCommandLine: Parsing command line: BuildCookRun -rocket -nocompile -nocompileeditor -installed -nop4 -project=D:/Unreal 4 Projects/Flat15_4/Flat15_4.uproject -cook -stage -archive -archivedirectory=D:/ -package -clientconfig=Development -ue4exe=UE4Editor-Cmd.exe -pak -prereqs -nodebuginfo -targetplatform=Win64 -build -CrashReporter -utf8output
MainFrameActions: Packaging (Windows (64-bit)): Automation.Process: IsBuildMachine=False
MainFrameActions: Packaging (Windows (64-bit)): Automation.Process: ShouldKillProcesses=True
MainFrameActions: Packaging (Windows (64-bit)): Automation.Process: Setting up command environment.
MainFrameActions: Packaging (Windows (64-bit)): CommandUtils.SetEnvVar: SetEnvVar uebp_EngineSavedFolder=C:/Program Files/Epic Games/4.10/Engine/Programs/AutomationTool/Saved
MainFrameActions: Packaging (Windows (64-bit)): CommandUtils.DeleteDirectoryContents: DeleteDirectoryContents(C:/Users/Digitalcrush Ltd/AppData/Roaming/Unreal Engine/AutomationTool/Logs/C+Program+Files+Epic+Games+4.10)
MainFrameActions: Packaging (Windows (64-bit)): WindowsHostPlatform.SetFrameworkVars: Setting .Net Framework environment variables.
MainFrameActions: Packaging (Windows (64-bit)): WindowsHostPlatform.SetFrameworkVars: Supports64bitExecutables=True
MainFrameActions: Packaging (Windows (64-bit)): WindowsPlatform.get_Compiler: WARNING: Visual C++ 2015 toolchain does not appear to be correctly installed. Please verify that “Common Tools for Visual C++ 2015” was selected when installing Visual 2015.
MainFrameActions: Packaging (Windows (64-bit)): WindowsHostPlatform.SetFrameworkVars: WindowsPlatform.CompilerVisualStudio2015
MainFrameActions: Packaging (Windows (64-bit)): CommandEnvironment.SetupBuildEnvironment: WARNING: SetFrameworkVars failed. Assuming no compilation capability.
MainFrameActions: Packaging (Windows (64-bit)): ProjectUtils.CleanupFolders: Cleaning up project rules folder
MainFrameActions: Packaging (Windows (64-bit)): Automation.Process: Compiling scripts.
MainFrameActions: Packaging (Windows (64-bit)): ScriptCompiler.LoadPreCompiledScriptAssemblies: Loading precompiled script DLLs
MainFrameActions: Packaging (Windows (64-bit)): ScriptCompiler.LoadPreCompiledScriptAssemblies: Found 9 script DLL(s).
MainFrameActions: Packaging (Windows (64-bit)): BuildCookRun.SetupParams: Setting up ProjectParams for D:\Unreal 4 Projects\Flat15_4\Flat15_4.uproject
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Project Params **************
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: AdditionalServerMapParams=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Archive=True
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: ArchiveMetaData=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: CreateAppBundle=True
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: BaseArchiveDirectory=D:
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: BaseStageDirectory=D:\Unreal 4 Projects\Flat15_4\Saved\StagedBuilds
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Build=True
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Cook=True
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Clean=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Client=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: ClientConfigsToBuild=Development
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: ClientCookedTargets=Flat15_4
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: ClientTargetPlatform=Win64
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Compressed=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: UseDebugParamForEditorExe=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: CookFlavor=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: CookOnTheFly=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: CookOnTheFlyStreaming=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: UnversionedCookedContent=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: SkipCookingEditorContent=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: NumCookersToSpawn=0
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: GeneratePatch=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: CreateReleaseVersion=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: BasedOnReleaseVersion=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: DLCName=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: DLCIncludeEngineContent=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: AdditionalCookerOptions=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: DedicatedServer=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: DirectoriesToCook=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: CulturesToCook=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: EditorTargets=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Foreign=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: IsCodeBasedProject=True
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: IsProgramTarget=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: IterativeCooking=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: CookAll=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: CookMapsOnly=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Deploy=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: IterativeDeploy=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: FastCook=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: LogWindow=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Manifests=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: MapToRun=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: NoClient=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: NumClients=0
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: NoDebugInfo=True
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: NoCleanStage=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: NoXGE=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: MapsToCook=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Pak=True
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Package=True
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: NullRHI=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: FakeClient=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: EditorTest=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: RunAutomationTests=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: RunAutomationTest=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: RunTimeoutSeconds=0
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: CrashIndex=0
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: ProgramTargets=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: ProjectBinariesFolder=D:\Unreal 4 Projects\Flat15_4\Binaries\Win64
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: ProjectBinariesPath=D:\Unreal 4 Projects\Flat15_4\Binaries\Win64
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: ProjectGameExeFilename=D:\Unreal 4 Projects\Flat15_4\Binaries\Win64\Flat15_4.exe
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: ProjectGameExePath=D:\Unreal 4 Projects\Flat15_4\Binaries\Win64\Flat15_4.exe
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Distribution=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Prebuilt=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Prereqs=True
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: NoBootstrapExe=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: RawProjectPath=D:\Unreal 4 Projects\Flat15_4\Flat15_4.uproject
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Rocket=True
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Run=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: ServerConfigsToBuild=Development
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: ServerCookedTargets=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: ServerTargetPlatform=Win64
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: ShortProjectName=Flat15_4
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: SignedPak=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: SignPak=
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: SkipCook=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: SkipCookOnTheFly=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: SkipPak=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: SkipStage=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Stage=True
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: bUsesSteam=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: bUsesCEF3=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: bUsesSlate=True
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: bDebugBuildsActuallyUseDebugCRT=False
MainFrameActions: Packaging (Windows (64-bit)): ProjectParams.ValidateAndLog: Project Params **************
MainFrameActions: Packaging (Windows (64-bit)): Project.Build: ********** BUILD COMMAND STARTED **********
MainFrameActions: Packaging (Windows (64-bit)): BuildCommand.Execute: ERROR: BUILD FAILED
MainFrameActions: Packaging (Windows (64-bit)): Program.Main: ERROR: AutomationTool terminated with exception:
MainFrameActions: Packaging (Windows (64-bit)): Program.Main: ERROR: Exception in AutomationUtils.Automation: You are attempting to compile on a machine that does not have a supported compiler!
MainFrameActions: Packaging (Windows (64-bit)): Stacktrace: at AutomationTool.UE4Build.Build(BuildAgenda Agenda, Nullable1 InDeleteBuildProducts, Boolean InUpdateVersionFiles, Boolean InForceNoXGE, Boolean InUseParallelExecutor, Boolean InForceNonUnity, Boolean InForceUnity, Boolean InShowProgress, Dictionary2 PlatformEnvVars)
MainFrameActions: Packaging (Windows (64-bit)): at Project.Build(BuildCommand Command, ProjectParams Params, Int32 WorkingCL)
MainFrameActions: Packaging (Windows (64-bit)): at BuildCookRun.DoBuildCookRun(ProjectParams Params)
MainFrameActions: Packaging (Windows (64-bit)): at BuildCommand.Execute()
MainFrameActions: Packaging (Windows (64-bit)): at AutomationTool.Automation.Execute(List1 CommandsToExecute, CaselessDictionary1 Commands)
MainFrameActions: Packaging (Windows (64-bit)): at AutomationTool.Automation.Process(String[] CommandLine)
MainFrameActions: Packaging (Windows (64-bit)): at AutomationTool.Program.MainProc(Object Param)
MainFrameActions: Packaging (Windows (64-bit)): at AutomationTool.InternalUtils.RunSingleInstance(Action`1 Main, Object Param)
MainFrameActions: Packaging (Windows (64-bit)): at AutomationTool.Program.Main()
MainFrameActions: Packaging (Windows (64-bit)): ProcessManager.KillAll: Trying to kill 0 spawned processes.
MainFrameActions: Packaging (Windows (64-bit)): Program.Main: AutomationTool exiting with ExitCode=Error_Unknown
MainFrameActions: Packaging (Windows (64-bit)): Domain_ProcessExit
MainFrameActions: Packaging (Windows (64-bit)): copying UAT log files…
MainFrameActions: Packaging (Windows (64-bit)): RunUAT.bat ERROR: AutomationTool was unable to run successfully.
MainFrameActions: Packaging (Windows (64-bit)): BUILD FAILED
PackagingResults:Error: Error Unknown Error

Hi ,

  • What OS are you packaging to? I see that it mentions Windows 64 bit, but is this Windows 7,8, or 10?
  • Can you post your dxdiag here so I can take a look?
  • What is the size of the project?
  • Are you packaging a shipping or development build?
  • Have you tried verifying your engine build? To do so, go to the launcher>library>4.10 dropdown menu and press “Verify”, this will check your engine build to make sure that it contains all of the files it needs and that none are damaged, replacing or repairing those that are not present/are damaged.
  • Does this only occur to one project or does it occur in a clean, blank project with no additional content?

Hello, thanks for replying to this. I’m not sure what happend but It has somehow fixed it self, I think it was possibly an error to do with Visual not being installed correctly for unreal 4.

I’m happy to hear this is no longer occurring for you. I am marking this as answered for tracking purposes. If you experience this again, please comment with updated information and I’ll be happy to take another look.