Keep getting this error
[2016.07.16-10.00.53:324][164]MainFrameActions: Packaging (Windows (64-bit)): Project.CopyBuildToStagingDirectory: ********** STAGE COMMAND STARTED **********
[2016.07.16-10.00.54:169][173]MainFrameActions: Packaging (Windows (64-bit)): Project.CreateStagingManifest: Creating Staging Manifest...
[2016.07.16-10.00.59:043][232]MainFrameActions: Packaging (Windows (64-bit)): Project.CleanStagingDirectory: Cleaning Stage Directory: C:\MMO\Dafuk\Core\Saved\StagedBuilds\WindowsNoEditor
[2016.07.16-10.00.59:268][234]MainFrameActions: Packaging (Windows (64-bit)): Project.CopyManifestFilesToStageDir: Copying NonUFSFiles to staging directory: C:\MMO\Dafuk\Core\Saved\StagedBuilds\WindowsNoEditor
[2016.07.16-10.01.02:042][266]MainFrameActions: Packaging (Windows (64-bit)): Program.Main: ERROR: AutomationTool terminated with exception: System.IO.IOException: The process cannot access the file 'C:\MMO\Dafuk\Core\Saved\StagedBuilds\WindowsNoEditor\Engine\Binaries\Win64\CrashReportClient.exe' because it is being used by another
[2016.07.16-10.01.02:044][266]MainFrameActions: Packaging (Windows (64-bit)): process.
[2016.07.16-10.01.02:045][266]MainFrameActions: Packaging (Windows (64-bit)): at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
[2016.07.16-10.01.02:045][266]MainFrameActions: Packaging (Windows (64-bit)): at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
[2016.07.16-10.01.02:047][266]MainFrameActions: Packaging (Windows (64-bit)): at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize)
[2016.07.16-10.01.02:048][266]MainFrameActions: Packaging (Windows (64-bit)): at System.IO.File.OpenFile(String path, FileAccess access, SafeFileHandle& handle)
[2016.07.16-10.01.02:049][266]MainFrameActions: Packaging (Windows (64-bit)): at System.IO.File.SetLastWriteTimeUtc(String path, DateTime lastWriteTimeUtc)
[2016.07.16-10.01.02:050][266]MainFrameActions: Packaging (Windows (64-bit)): at AutomationTool.CommandUtils.CopyFileIncremental(String Source, String Dest, Boolean bAllowDifferingTimestamps, Boolean bFilterSpecialLinesFromIniFiles) in C:\MMO\UnrealEngine-release\Engine\Source\Programs\AutomationTool\AutomationUtils\CommandUtils.cs:line 1385
[2016.07.16-10.01.02:052][266]MainFrameActions: Packaging (Windows (64-bit)): at Project.CopyManifestFilesToStageDir(Dictionary`2 Mapping, String StageDir, String ManifestName, List`1 CRCFiles) in c:\MMO\UnrealEngine-release\Engine\Source\Programs\AutomationTool\Scripts\CopyBuildToStagingDirectory.Automation.cs:line 658
[2016.07.16-10.01.02:054][266]MainFrameActions: Packaging (Windows (64-bit)): at Project.CopyUsingStagingManifest(ProjectParams Params, DeploymentContext SC) in c:\MMO\UnrealEngine-release\Engine\Source\Programs\AutomationTool\Scripts\CopyBuildToStagingDirectory.Automation.cs:line 723
[2016.07.16-10.01.02:054][266]MainFrameActions: Packaging (Windows (64-bit)): at Project.ApplyStagingManifest(ProjectParams Params, DeploymentContext SC) in c:\MMO\UnrealEngine-release\Engine\Source\Programs\AutomationTool\Scripts\CopyBuildToStagingDirectory.Automation.cs:line 1246
[2016.07.16-10.01.02:055][266]MainFrameActions: Packaging (Windows (64-bit)): at Project.CopyBuildToStagingDirectory(ProjectParams Params) in c:\MMO\UnrealEngine-release\Engine\Source\Programs\AutomationTool\Scripts\CopyBuildToStagingDirectory.Automation.cs:line 1767
[2016.07.16-10.01.02:057][266]MainFrameActions: Packaging (Windows (64-bit)): at BuildCookRun.DoBuildCookRun(ProjectParams Params) in c:\MMO\UnrealEngine-release\Engine\Source\Programs\AutomationTool\Scripts\BuildCookRun.Automation.cs:line 217
[2016.07.16-10.01.02:058][266]MainFrameActions: Packaging (Windows (64-bit)): at AutomationTool.BuildCommand.Execute() in C:\MMO\UnrealEngine-release\Engine\Source\Programs\AutomationTool\AutomationUtils\BuildCommand.cs:line 28
[2016.07.16-10.01.02:059][266]MainFrameActions: Packaging (Windows (64-bit)): at AutomationTool.Automation.Execute(List`1 CommandsToExecute, CaselessDictionary`1 Commands) in C:\MMO\UnrealEngine-release\Engine\Source\Programs\AutomationTool\AutomationUtils\Automation.cs:line 539
[2016.07.16-10.01.02:061][266]MainFrameActions: Packaging (Windows (64-bit)): at AutomationTool.Automation.Process(String[] CommandLine) in C:\MMO\UnrealEngine-release\Engine\Source\Programs\AutomationTool\AutomationUtils\Automation.cs:line 510
[2016.07.16-10.01.02:062][266]MainFrameActions: Packaging (Windows (64-bit)): at AutomationTool.Program.MainProc(Object Param) in C:\MMO\UnrealEngine-release\Engine\Source\Programs\AutomationTool\Program.cs:line 131
[2016.07.16-10.01.02:063][266]MainFrameActions: Packaging (Windows (64-bit)): at AutomationTool.InternalUtils.RunSingleInstance(Func`2 Main, Object Param) in C:\MMO\UnrealEngine-release\Engine\Source\Programs\AutomationTool\AutomationUtils\Utils.cs:line 704
[2016.07.16-10.01.02:065][266]MainFrameActions: Packaging (Windows (64-bit)): at AutomationTool.Program.Main() in C:\MMO\UnrealEngine-release\Engine\Source\Programs\AutomationTool\Program.cs:line 54
[2016.07.16-10.01.02:066][266]MainFrameActions: Packaging (Windows (64-bit)): Program.Main: AutomationTool exiting with ExitCode=1 (Error_Unknown)
[2016.07.16-10.01.02:344][269]MainFrameActions: Packaging (Windows (64-bit)): Domain_ProcessExit
[2016.07.16-10.01.02:473][272]MainFrameActions: Packaging (Windows (64-bit)): AutomationToolLauncher exiting with ExitCode=1
[2016.07.16-10.01.02:794][277]MainFrameActions: Packaging (Windows (64-bit)): copying UAT log files...
[2016.07.16-10.01.02:795][277]MainFrameActions: Packaging (Windows (64-bit)): BUILD FAILED
[2016.07.16-10.01.02:884][278]PackagingResults:Error: Error Unknown Error
4.11.2 Engine source built with vs 2015 update 2
Have tried rebooting deleteing intermediate and saved folders
vs is set to development
packing to windows x64
out of ideas…
please help log output