NVIDIA GameWorks Integration

I generated a completely new 4.9.1 build. But I get the same error as the last time. UE4 is missing the UE4Game binary. What could cause problem? Is there anyone else who has the same problems with packaging projects like me?

is the output log:

inFrameActions: Packaging (Windows (64-bit)): Project.Cook: ********** COOK COMMAND COMPLETED **********
MainFrameActions: Packaging (Windows (64-bit)): Project.CopyBuildToStagingDirectory: ********** STAGE 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 AutomationScripts.Automation: Stage Failed. Missing receipt ‘UE4Game-Win64-Shipping.target.xml’. Check that target has been built.
MainFrameActions: Packaging (Windows (64-bit)): Stacktrace: bei Project.CreateDeploymentContext(ProjectParams Params, Boolean InDedicatedServer, Boolean DoCleanStage) in e:\Unreal_4_9_1VXGI\Engine\Source\Programs\AutomationTool\Scripts\CopyBuildToStagingDirectory.Automation.cs:Zeile 1572.
MainFrameActions: Packaging (Windows (64-bit)): bei Project.CopyBuildToStagingDirectory(ProjectParams Params) in e:\Unreal_4_9_1VXGI\Engine\Source\Programs\AutomationTool\Scripts\CopyBuildToStagingDirectory.Automation.cs:Zeile 1628.
MainFrameActions: Packaging (Windows (64-bit)): bei BuildCookRun.DoBuildCookRun(ProjectParams Params) in e:\Unreal_4_9_1VXGI\Engine\Source\Programs\AutomationTool\Scripts\BuildCookRun.Automation.cs:Zeile 211.
MainFrameActions: Packaging (Windows (64-bit)): bei BuildCommand.Execute()
MainFrameActions: Packaging (Windows (64-bit)): bei AutomationTool.Automation.Execute(List1 CommandsToExecute, CaselessDictionary1 Commands)
MainFrameActions: Packaging (Windows (64-bit)): bei AutomationTool.Automation.Process(String] CommandLine)
MainFrameActions: Packaging (Windows (64-bit)): bei AutomationTool.Program.MainProc(Object Param) in e:
MainFrameActions: Packaging (Windows (64-bit)): Unreal_4_9_1VXGI\Engine\Source\Programs\AutomationTool\Program.cs:Zeile 134.
MainFrameActions: Packaging (Windows (64-bit)): bei AutomationTool.InternalUtils.RunSingleInstance(Action`1 Main, Object Param)
MainFrameActions: Packaging (Windows (64-bit)): bei AutomationTool.Program.Main() in e:\Unreal_4_9_1VXGI\Engine\Source\Programs\AutomationTool\Program.cs:Zeile 53.
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_MissingExecutable
MainFrameActions: Packaging (Windows (64-bit)): Domain_ProcessExit
MainFrameActions: Packaging (Windows (64-bit)): AutomationToolLauncher exiting with ExitCode=103
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 Missing UE4Game binary.You may have to build the UE4 project with your IDE. Alternatively, build using UnrealBuildTool with the commandline:UE4Game <Platform> <Configuration>