Problem when export (error code)

Hello!

First, sorry for my bad English, I speak French.

I am a beginner with unreal engine and I am trying for the first time to create a car game. I have some version already exported (0.0.1 to 0.0.4) and I try to export the version 0.0.5. I am exporting for Windows x86 and x64 and HTML5 but they are all crashing. There is below the error code (for Win 32bits).

Thank you for your answers !

UATHelper: Packaging (Windows (32-bit)): Running AutomationTool...
UATHelper: Packaging (Windows (32-bit)): Parsing command line: -ScriptsForProject="F:/Unreal Engine/VTTSimulator/VTTSimulator.uproject" BuildCookRun -nocompile -nocompileeditor -installed -nop4 -project="F:/Unreal Engine/VTTSimulator/VTTSimulator.uproject" -cook -stage -archive -archivedirectory="F:/Unreal Engine/X/versions" -package -clientconfig=Developmen
t -ue4exe=UE4Editor-Cmd.exe -pak -prereqs -nodebuginfo -targetplatform=Win32 -build -utf8output
UATHelper: Packaging (Windows (32-bit)): Setting up ProjectParams for F:\Unreal Engine\VTTSimulator\VTTSimulator.uproject
UATHelper: Packaging (Windows (32-bit)): ERROR: System.ArgumentException: Un élément avec la même clé a déjà été ajouté.
UATHelper: Packaging (Windows (32-bit)):           à System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)
UATHelper: Packaging (Windows (32-bit)):           à System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
UATHelper: Packaging (Windows (32-bit)):           à System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value)
UATHelper: Packaging (Windows (32-bit)):           à AutomationTool.ProjectUtils.CompileAndLoadTargetsAssembly(ProjectProperties Properties, FileReference TargetsDllFilename, Boolean DoNotCompile, List`1 TargetScripts) dans D:\Build\++UE4\Sync\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\ProjectUtils.cs:ligne 582
UATHelper: Packaging (Windows (32-bit)):           à AutomationTool.ProjectUtils.DetectTargetsForProject(ProjectProperties Properties, List`1 ExtraSearchPaths) dans D:\Build\++UE4\Sync\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\ProjectUtils.cs:ligne 533
UATHelper: Packaging (Windows (32-bit)):           à AutomationTool.ProjectUtils.DetectProjectProperties(FileReference RawProjectPath, List`1 ClientTargetPlatforms, List`1 ClientTargetConfigurations, Boolean AssetNativizationRequested) dans D:\Build\++UE4\Sync\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\ProjectUtils.cs:ligne 348
UATHelper: Packaging (Windows (32-bit)):           à AutomationTool.ProjectUtils.GetProjectProperties(FileReference RawProjectPath, List`1 ClientTargetPlatforms, List`1 ClientTargetConfigurations, Boolean AssetNativizationRequested) dans D:\Build\++UE4\Sync\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\ProjectUtils.cs:ligne 99
UATHelper: Packaging (Windows (32-bit)):           à AutomationTool.ProjectParams.AutodetectSettings(Boolean bReset) dans D:\Build\++UE4\Sync\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\ProjectParams.cs:ligne 1944
UATHelper: Packaging (Windows (32-bit)):           à AutomationTool.ProjectParams..ctor(FileReference RawProjectPath, BuildCommand Command, String Device, String MapToRun, String AdditionalServerMapParams, ParamList`1 Port, String RunCommandline, String StageCommandline, String BundleName, String StageDirectoryParam, String UE4Exe, String SignPak, List`1 Cli
entConfigsToBuild, List`1 ServerConfigsToBuild, ParamList`1 MapsToCook, ParamList`1 MapIniSectionsToCook, ParamList`1 DirectoriesToCook, String InternationalizationPreset, ParamList`1 CulturesToCook, ParamList`1 ClientCookedTargets, ParamList`1 EditorTargets, ParamList`1 ServerCookedTargets, List`1 ClientTargetPlatforms, Dictionary`2 ClientDependentPlatformM
ap, List`1 ServerTargetPlatforms, Dictionary`2 ServerDependentPlatformMap, Nullable`1 Build, Nullable`1 SkipBuildClient, Nullable`1 SkipBuildEditor, Nullable`1 Cook, Nullable`1 Run, Nullable`1 SkipServer, Nullable`1 Clean, Nullable`1 Compressed, String AdditionalPakOptions, Nullable`1 UseDebugParamForEditorExe, Nullable`1 IterativeCooking, String IterateShar
edCookedBuild, Nullable`1 IterateSharedBuildUsePrecompiledExe, Nullable`1 CookAll, Nullable`1 CookPartialGC, Nullable`1 CookInEditor, String CookOutputDir, Nullable`1 CookMapsOnly, Nullable`1 CookOnTheFly, Nullable`1 CookOnTheFlyStreaming, Nullable`1 UnversionedCookedContent, Nullable`1 EncryptIniFiles, Nullable`1 EncryptPakIndex, Nullable`1 EncryptEverythin
g, Nullable`1 SkipCookingEditorContent, Nullable`1 NumCookersToSpawn, String AdditionalCookerOptions, String BasedOnReleaseVersion, String CreateReleaseVersion, String CreateReleaseVersionBasePath, String BasedOnReleaseVersionBasePath, Nullable`1 GeneratePatch, Nullable`1 AddPatchLevel, Nullable`1 StageBaseReleasePaks, Nullable`1 GenerateRemaster, String Dis
cVersion, String DLCName, String DiffCookedContentPath, Nullable`1 DLCIncludeEngineContent, Nullable`1 DLCPakPluginFile, Nullable`1 DLCActLikePatch, Nullable`1 CrashReporter, Nullable`1 DedicatedServer, Nullable`1 Client, Nullable`1 Deploy, String DeployFolder, String GetFile, Nullable`1 FileServer, Nullable`1 Foreign, Nullable`1 ForeignCode, Nullable`1 LogW
indow, Nullable`1 NoCleanStage, Nullable`1 NoClient, Nullable`1 NoDebugInfo, Nullable`1 SeparateDebugInfo, Nullable`1 MapFile, Nullable`1 NoXGE, Nullable`1 Package, Nullable`1 Pak, Nullable`1 Prereqs, String AppLocalDirectory, Nullable`1 NoBootstrapExe, Nullable`1 SignedPak, Nullable`1 NullRHI, Nullable`1 FakeClient, Nullable`1 EditorTest, Nullable`1 RunAuto
mationTests, String RunAutomationTest, Nullable`1 CrashIndex, Nullable`1 SkipCook, Nullable`1 SkipCookOnTheFly, Nullable`1 SkipPak, Nullable`1 PrePak, Nullable`1 SkipStage, Nullable`1 Stage, Nullable`1 Manifests, Nullable`1 CreateChunkInstall, Nullable`1 Unattended, Nullable`1 NumClients, Nullable`1 Archive, String ArchiveDirectoryParam, Nullable`1 ArchiveMe
taData, Nullable`1 CreateAppBundle, ParamList`1 ProgramTargets, Nullable`1 Distribution, Nullable`1 Prebuilt, Nullable`1 RunTimeoutSeconds, String SpecifiedArchitecture, String UbtArgs, Nullable`1 IterativeDeploy, Nullable`1 FastCook, Nullable`1 IgnoreCookErrors, Nullable`1 RunAssetNativization, Nullable`1 CodeSign, Nullable`1 TreatNonShippingBinariesAsDebug
Files, Nullable`1 UseExtraFlavor, String Provision, String Certificate, String Team, Boolean AutomaticSigning, ParamList`1 InMapsToRebuildLightMaps, ParamList`1 InMapsToRebuildHLOD, ParamList`1 TitleID) dans D:\Build\++UE4\Sync\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\ProjectParams.cs:ligne 1019
UATHelper: Packaging (Windows (32-bit)):           à BuildCookRun.SetupParams() dans D:\Build\++UE4\Sync\Saved\CsTools\Engine\Source\Programs\AutomationTool\Scripts\BuildCookRun.Automation.cs:ligne 52
UATHelper: Packaging (Windows (32-bit)):           à BuildCookRun.ExecuteBuild() dans D:\Build\++UE4\Sync\Saved\CsTools\Engine\Source\Programs\AutomationTool\Scripts\BuildCookRun.Automation.cs:ligne 39
UATHelper: Packaging (Windows (32-bit)):           à AutomationTool.BuildCommand.Execute() dans D:\Build\++UE4\Sync\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\BuildCommand.cs:ligne 112
UATHelper: Packaging (Windows (32-bit)):           à AutomationTool.Automation.Execute(List`1 CommandsToExecute, Dictionary`2 Commands) dans D:\Build\++UE4\Sync\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\Automation.cs:ligne 562
UATHelper: Packaging (Windows (32-bit)):           à AutomationTool.Automation.Process(String[] Arguments, StartupTraceListener StartupListener) dans D:\Build\++UE4\Sync\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\Automation.cs:ligne 532
UATHelper: Packaging (Windows (32-bit)):           à AutomationTool.Program.MainProc(String[] Arguments, StartupTraceListener StartupListener) dans D:\Build\++UE4\Sync\Saved\CsTools\Engine\Source\Programs\AutomationTool\Program.cs:ligne 174
UATHelper: Packaging (Windows (32-bit)):           à AutomationTool.Program.<>c__DisplayClass1_0.<Main>b__0() dans D:\Build\++UE4\Sync\Saved\CsTools\Engine\Source\Programs\AutomationTool\Program.cs:ligne 100
UATHelper: Packaging (Windows (32-bit)):           à AutomationTool.InternalUtils.RunSingleInstance(Func`1 Main) dans D:\Build\++UE4\Sync\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\Utils.cs:ligne 725
UATHelper: Packaging (Windows (32-bit)):           à AutomationTool.Program.Main() dans D:\Build\++UE4\Sync\Saved\CsTools\Engine\Source\Programs\AutomationTool\Program.cs:ligne 100
UATHelper: Packaging (Windows (32-bit)):        (see C:\Users\Jaune Citron\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_4.20\Log.txt for full exception trace)
UATHelper: Packaging (Windows (32-bit)): AutomationTool exiting with ExitCode=1 (Error_Unknown)
PackagingResults: Error: System.ArgumentException: Un élément avec la même clé a déjà été ajouté.
UATHelper: Packaging (Windows (32-bit)): BUILD FAILED
PackagingResults: Error: Unknown Error