When Package my game I get this error
MainFrameActions: Packaging (Windows (32-bit)): UE4Editor-Cmd: [2015.10.10-14.16.53:606][ 0]LogExit: Exiting.
MainFrameActions: Packaging (Windows (32-bit)): CommandUtils.Run: Run: Took 87.508921s to run UE4Editor-Cmd.exe, ExitCode=1
MainFrameActions: Packaging (Windows (32-bit)): InternalUtils.SafeCopyFile: SafeCopyFile C:\Program Files\Epic Games\4.8\Engine\Programs\AutomationTool\Saved\Cook.txt C:\Users\Dogunistan\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+4.8\Cook.txt
MainFrameActions: Packaging (Windows (32-bit)): InternalUtils.SafeDeleteFile: SafeDeleteFile C:\Program Files\Epic Games\4.8\Engine\Programs\AutomationTool\Saved\Cook.txt
MainFrameActions: Packaging (Windows (32-bit)): Project.Cook: Cook failed. Deleting cooked data.
MainFrameActions: Packaging (Windows (32-bit)): ErrorReporter.Error: ERROR: AutomationTool error: Cook failed.
MainFrameActions: Packaging (Windows (32-bit)): BuildCommand.Execute: ERROR: BUILD FAILED
MainFrameActions: Packaging (Windows (32-bit)): Program.Main: ERROR: AutomationTool terminated with exception:
MainFrameActions: Packaging (Windows (32-bit)): Program.Main: ERROR: Exception in AutomationScripts.Automation: BUILD FAILED: Failed while running Cook for C:\Users\Dogunistan\Documents\Unreal Projects\MyProject3\MyProject3.uproject; see log C:\Users\Dogunistan\AppData\Roaming\Unreal Engine\AutomationTo
MainFrameActions: Packaging (Windows (32-bit)): ol\Logs\C+Program+Files+Epic+Games+4.8\Cook.txt
MainFrameActions: Packaging (Windows (32-bit)): Stacktrace: at Project.Cook(ProjectParams Params)
MainFrameActions: Packaging (Windows (32-bit)): at BuildCookRun.DoBuildCookRun(ProjectParams Params)
MainFrameActions: Packaging (Windows (32-bit)): at BuildCommand.Execute()
MainFrameActions: Packaging (Windows (32-bit)): at AutomationTool.Automation.Execute(List`1 CommandsToExecute, CaselessDictionary`1 Commands)
MainFrameActions: Packaging (Windows (32-bit)): at AutomationTool.Automation.Process(String[] CommandLine)
MainFrameActions: Packaging (Windows (32-bit)): at AutomationTool.Program.MainProc(Object Param)
MainFrameActions: Packaging (Windows (32-bit)): at AutomationTool.InternalUtils.RunSingleInstance(MainProc Main, Object Param)
MainFrameActions: Packaging (Windows (32-bit)): at AutomationTool.Program.Main()
MainFrameActions: Packaging (Windows (32-bit)): Program.Main: ERROR: BUILD FAILED: Failed while running Cook for C:\Users\Dogunistan\Documents\Unreal Projects\MyProject3\MyProject3.uproject; see log C:\Users\Dogunistan\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+4.8\Cook
MainFrameActions: Packaging (Windows (32-bit)): .txt
MainFrameActions: Packaging (Windows (32-bit)): ProcessManager.KillAll: Trying to kill 0 spawned processes.
MainFrameActions: Packaging (Windows (32-bit)): Program.Main: AutomationTool exiting with ExitCode=25
MainFrameActions: Packaging (Windows (32-bit)): Domain_ProcessExit
MainFrameActions: Packaging (Windows (32-bit)): ProcessManager.KillAll: Trying to kill 0 spawned processes.
MainFrameActions: Packaging (Windows (32-bit)): copying UAT log files...
MainFrameActions: Packaging (Windows (32-bit)): RunUAT.bat ERROR: AutomationTool was unable to run successfully.
MainFrameActions: Packaging (Windows (32-bit)): BUILD FAILED
LogD3D11RHI: InitD3DDevice
What should I do to fix it??