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Unreal Engine 4 Crashing when packaging for Windows 64bit

Hi everyone,

I try to packaging my project for windows 64bit, for making a test for making my dedicated server.
But when i package my project i got this error:

UATHelper: Packaging (Windows (64-bit)): Cook: LogInit: Display:
UATHelper: Packaging (Windows (64-bit)): Cook: LogInit: Display: Failure - 2 error(s), 72 warning(s)
UATHelper: Packaging (Windows (64-bit)): Cook: LogInit: Display:
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: Execution of commandlet took: 17.45 seconds
UATHelper: Packaging (Windows (64-bit)): Cook: LogOnline: Display: Unloading online subsystem: NULL
UATHelper: Packaging (Windows (64-bit)): CommandUtils.Run: Run: Took 33,149896s to run UE4Editor-Cmd.exe, ExitCode=1
UATHelper: Packaging (Windows (64-bit)): Project.Cook: Cook failed. Deleting cooked data.
UATHelper: Packaging (Windows (64-bit)): Program.Main: ERROR: AutomationTool terminated with exception: AutomationTool.AutomationException: Cook failed. —> AutomationTool.CommandletException: BUILD FAILED: Failed while running Cook for E:\Unreal Engine 4 projet\MyProject2 - reel 4.17 - 2\MyProject2.uproject; see log E:\UnrealEngine-release\Engine\Programs
AutomationTool\Saved\Logs\Cook-2017.09.03-18.33.44.txt
UATHelper: Packaging (Windows (64-bit)): à AutomationTool.CommandUtils.RunCommandlet(FileReference ProjectName, String UE4Exe, String Commandlet, String Parameters) dans E:\UnrealEngine-release\Engine\Source\Programs\AutomationTool\AutomationUtils\CommandletUtils.cs:ligne 408
UATHelper: Packaging (Windows (64-bit)): à AutomationTool.CommandUtils.CookCommandlet(FileReference ProjectName, String UE4Exe, String] Maps, String] Dirs, String InternationalizationPreset, String] CulturesToCook, String TargetPlatform, String Parameters) dans E:\UnrealEngine-release\Engine\Source\Programs\AutomationTool\AutomationUtils\CommandletUtil
s.cs:ligne 112
UATHelper: Packaging (Windows (64-bit)): à Project.Cook(ProjectParams Params) dans E:\UnrealEngine-release\Engine\Source\Programs\AutomationTool\Scripts\CookCommand.Automation.cs:ligne 285
UATHelper: Packaging (Windows (64-bit)): — Fin de la trace de la pile d’exception interne —
UATHelper: Packaging (Windows (64-bit)): à Project.Cook(ProjectParams Params) dans E:\UnrealEngine-release\Engine\Source\Programs\AutomationTool\Scripts\CookCommand.Automation.cs:ligne 302
UATHelper: Packaging (Windows (64-bit)): à BuildCookRun.DoBuildCookRun(ProjectParams Params) dans E:\UnrealEngine-release\Engine\Source\Programs\AutomationTool\Scripts\BuildCookRun.Automation.cs:ligne 208
UATHelper: Packaging (Windows (64-bit)): à BuildCookRun.ExecuteBuild() dans E:\UnrealEngine-release\Engine\Source\Programs\AutomationTool\Scripts\BuildCookRun.Automation.cs:ligne 40
UATHelper: Packaging (Windows (64-bit)): à AutomationTool.BuildCommand.Execute() dans E:\UnrealEngine-release\Engine\Source\Programs\AutomationTool\AutomationUtils\BuildCommand.cs:ligne 100
UATHelper: Packaging (Windows (64-bit)): à AutomationTool.Automation.Execute(List1 CommandsToExecute, Dictionary2 Commands) dans E:\UnrealEngine-release\Engine\Source\Programs\AutomationTool\AutomationUtils\Automation.cs:ligne 563
UATHelper: Packaging (Windows (64-bit)): à AutomationTool.Automation.Process(String] Arguments) dans E:\UnrealEngine-release\Engine\Source\Programs\AutomationTool\AutomationUtils\Automation.cs:ligne 533
UATHelper: Packaging (Windows (64-bit)): à AutomationTool.Program.MainProc(Object Param) dans E:\UnrealEngine-release\Engine\Source\Programs\AutomationTool\Program.cs:ligne 133
UATHelper: Packaging (Windows (64-bit)): à AutomationTool.InternalUtils.RunSingleInstance(Func`2 Main, Object Param) dans E:\UnrealEngine-release\Engine\Source\Programs\AutomationTool\AutomationUtils\Utils.cs:ligne 708
UATHelper: Packaging (Windows (64-bit)): à AutomationTool.Program.Main() dans E:\UnrealEngine-release\Engine\Source\Programs\AutomationTool\Program.cs:ligne 57
UATHelper: Packaging (Windows (64-bit)): Program.Main: AutomationTool exiting with ExitCode=25 (Error_UnknownCookFailure)
UATHelper: Packaging (Windows (64-bit)): BUILD FAILED
PackagingResults: Error: Unknown Cook Failure

I don’t know why i got this problem, if someone know where this come from, thanks for helping me in advance.
Thanks for your reply.