LogWindows:Error: begin: stack for UAT 错误，求教

LogPlayLevel: Project.CopyBuildToStagingDirectory: ********** STAGE COMMAND COMPLETED **********
LogPlayLevel: Project.Package: ********** PACKAGE COMMAND STARTED **********
LogPlayLevel: Project.Package: ********** PACKAGE COMMAND COMPLETED **********
LogPlayLevel: Project.Deploy: ********** DEPLOY COMMAND STARTED **********
LogPlayLevel: Platform.Deploy: WARNING: Win64 does not implement Deploy...
LogPlayLevel: Project.Deploy: ********** DEPLOY COMMAND COMPLETED **********
LogPlayLevel: Project.Run: ********** RUN COMMAND STARTED **********
LogPlayLevel: Project.RunInternal: Starting Client....
LogPlayLevel: Completed Launch On Stage: Deploy Task, Time: 38.026124
LogPlayLevel: CommandUtils.Run: Run: D:\SVNObject\_20170511School\Saved\StagedBuilds\WindowsNoEditor\My_AVR_Game\Binaries\Win64\My_AVR_Game.exe ../../../My_AVR_Game/My_AVR_Game.uproject /Game/Actor/Z_Level_Actor/LoadingMap -stdout -abslog="C:\Users\hzzykj005\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+UE4+UE4BB+UE_4.15\Client.log" -Messaging -nomcp -
Windowed -CrashForUAT -SessionId=F3B5F4534BE02192D3BD569E9B5C03D4 -SessionOwner="hzzykj005" -SessionName="Launch On Device"
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: LogInitisplay: RandInit(-995851157) SRandInit(-995851156).LogStreamingisplay: Async Loading initialized: New Async IO: false, Event Driven Loader: false, Async Loading Thread: false
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: LogStreamingisplay: Async Loading initialized: New Async IO: false, Event Driven Loader: false, Async Loading Thread: falseLogSerialization:Warning: Waiting for ../../../My_AVR_Game/Content/Texture/198113320003.uasset bulk data (5564040) to be loaded longer than 1000ms
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.52.55:876][  0]LogSerialization:Warning: Waiting for ../../../My_AVR_Game/Content/Texture/198113320003.uasset bulk data (5564040) to be loaded longer than 1000msLogBlueprintUserMessages:Warning: DEBUG: LocalNotification DefaultPlatformService NOT FOUND
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.52.57:649][  0]LogBlueprintUserMessages:Warning: DEBUG: LocalNotification DefaultPlatformService NOT FOUNDLogInitisplay: Game Engine Initialized.
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.52.58:705][  0]LogInitisplay: Game Engine Initialized.LogInitisplay: Starting Game.
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.52.58:705][  0]LogInitisplay: Starting Game.LogWindows:Warning: CreateProc failed (2) ../../../Engine/Binaries/Win64/CrashReportClient.exe "D:/SVNObject/_20170511School/Saved/StagedBuilds/WindowsNoEditor/My_AVR_Game/Saved/Logs/UE4CC-Windows-2FC11E524B9E629B5BB090B02050CC6A_0000" -AppName=UE4-My_AVR_Game -CrashGUID=
UE4CC-Windows-2FC11E524B9E629B5BB090B02050CC6A_0000 -DebugSymbols=..\..\..\Engine\Intermediate\Symbols
LogPlayLevel: My_AVR_Game: LogWindows:Error: begin: stack for UAT
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Warning: CreateProc failed (2) ../../../Engine/Binaries/Win64/CrashReportClient.exe "D:/SVNObject/_20170511School/Saved/StagedBuilds/WindowsNoEditor/My_AVR_Game/Saved/Logs/UE4CC-Windows-2FC11E524B9E629B5BB090B02050CC6A_0000" -AppName=UE4-My_AVR_Game -CrashGUID=UE4CC-Windows-2FC11E524B9E629B5
BB090B02050CC6A_0000 -DebugSymbols=..\..\..\Engine\Intermediate\Symbols
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Error: begin: stack for UATLogWindows:Error: === Critical error: ===
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Error: === Critical error: ===LogWindows:Error:
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Error: LogWindows:Error: Assertion failed: !ObjectItem->HasAnyFlags(EInternalObjectFlags::ClusterRoot) [File:\Build\++UE4+Release-4.15+Compile\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectClusters.cpp] [Line: 303]
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Error: Assertion failed: !ObjectItem->HasAnyFlags(EInternalObjectFlags::ClusterRoot) [File:\Build\++UE4+Release-4.15+Compile\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\UObjectClusters.cpp] [Line: 303] LogWindows:Error:
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Error: LogWindows:Error:
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Error: LogWindows:Error:
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Error: LogWindows:Error: 0x00000000E5487788
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Error: 0x00000000E5487788LogWindows:Error: 0x000000006FF54000
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Error: 0x000000006FF54000LogWindows:Error: 0x0000000000000400
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Error: 0x0000000000000400LogWindows:Error: 0x00000000260CB350
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Error: 0x00000000260CB350LogWindows:Error: 0x000000007C76DEC8
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Error: 0x000000007C76DEC8LogWindows:Error: 0x0000000000000001
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Error: 0x0000000000000001LogWindows:Error: 0x0000000000000001
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Error: 0x0000000000000001LogWindows:Error:
LogPlayLevel: My_AVR_Game:
LogPlayLevel: My_AVR_Game: [2017.06.09-04.53.29:690][  0]LogWindows:Error: LogWindows:Error: end: stack for UAT
LogPlayLevel: My_AVR_Game:
LogPlayLevel: Program.Main: ERROR: AutomationTool terminated with exception: AutomationTool.AutomationException: Client exited with error code: 3
LogPlayLevel:    在 Project.RunStandaloneClient(List`1 DeployContextList, String ClientLogFile, ERunOptions ClientRunFlags, String ClientApp, String ClientCmdLine, ProjectParams Params)
LogPlayLevel:    在 Project.RunInternal(ProjectParams Params, String ServerLogFile, String ClientLogFile)
LogPlayLevel:    在 Project.Run(ProjectParams Params)
LogPlayLevel:    在 BuildCookRun.DoBuildCookRun(ProjectParams Params)
LogPlayLevel:    在 BuildCookRun.ExecuteBuild()
LogPlayLevel:    在 AutomationTool.BuildCommand.Execute()
LogPlayLevel:    在 AutomationTool.Automation.Execute(List`1 CommandsToExecute, CaselessDictionary`1 Commands)
LogPlayLevel:    在 AutomationTool.Automation.Process(String[] Arguments)
LogPlayLevel:    在 AutomationTool.Program.MainProc(Object Param)
LogPlayLevel:    在 AutomationTool.InternalUtils.RunSingleInstance(Func`2 Main, Object Param)
LogPlayLevel:    在 AutomationTool.Program.Main()
LogPlayLevel: Program.Main: AutomationTool exiting with ExitCode=1 (Error_Unknown)
LogPlayLevel: Completed Launch On Stage: Run Task, Time: 54.286914
LogPlayLevel: BUILD FAILED
PackagingResults:Error: Error Launch failed! Unknown Error