DLC Build Fail,Couldn't update resource

In my project,
i made a plugin as a DLC.
there is only a default level In DLC content
i built full game first,success
then i built this dlc,failed,
here is the log:

Project.Package: ********** PACKAGE COMMAND STARTED **********
Program.Main: ERROR: AutomationTool terminated with exception: System.Exception: Couldn’t update resource

在 ModuleResourceUpdate.SetData(Int32 ResourceId, ResourceType Type, Byte[] Data)

在 ModuleResourceUpdate.SetIcons(Int32 ResourceId, GroupIconResource GroupIcon)

在 UnrealBuildTool.BaseWindowsDeploy.PrepForUATPackageOrDeploy(FileReference ProjectFile, String ProjectName, String ProjectDirectory, String ExecutablePath, String EngineDirectory, Boolean bForDistribution, String CookFlavor, Boolean bIsDataDeploy)

在 BaseWinPlatform.Package(ProjectParams Params, DeploymentContext SC, Int32 WorkingCL)

在 Project.Package(ProjectParams Params, Int32 WorkingCL)

在 BuildCookRun.DoBuildCookRun(ProjectParams Params)

在 AutomationTool.BuildCommand.Execute()

在 AutomationTool.Automation.Execute(List1 CommandsToExecute, CaselessDictionary1 Commands)

在 AutomationTool.Automation.Process(String[] CommandLine)

在 AutomationTool.Program.MainProc(Object Param)

在 AutomationTool.InternalUtils.RunSingleInstance(Func`2 Main, Object Param)

在 AutomationTool.Program.Main()

Program.Main: AutomationTool exiting with ExitCode=1 (Error_Unknown)

Hey evehal,

Take a look at the Answerhub thread linked below and give that solution a shot. If it does not work out for you, feel free to come back and let me know.

Have a great day

cool,thank you