Trying to package a large scene with lots of assets. Encountering this error. Can anyone help?

This is the error I’m getting, This is a very large scene with indoor and outdoor elements.
Sorry if I’ve included more of the log than is useful.

“MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
[2015.11.16-08.39.37:424][
0]LogCook:Display: Marking
…/…/…/Engine/Content/EditorBlueprintResources/StandardMacros.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:478][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Animations/FirstPerson_AnimBP.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:526][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Animations/FirstPerson_Fire.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:527][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Animations/FirstPersonFire_Montage.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:528][
0]LogLinker:Warning: Asset
‘D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPersonBP/Blueprints/FirstPersonProjectile.uasset’
has been saved with empty engine
version. The asset will be loaded but
may be incompatible. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:530][
0]LogLinker:Warning: Asset
‘D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Meshes/FirstPersonProjectileMesh.uasset’
has been saved with empty engine
version. The asset will be loaded but
may be incompatible. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:531][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Meshes/BaseMaterial.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:532][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Meshes/FirstPersonProjectileMaterial.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:533][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Meshes/FirstPersonProjectileMesh.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:534][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPersonBP/Blueprints/FirstPersonProjectile.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:550][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Audio/FirstPersonTemplateWeaponFire02.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:552][
0]LogCook:Display: Marking
…/…/…/Engine/Content/Functions/Engine_MaterialFunctions02/Utility/BlendAngleCorrectedNormals.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:555][
0]LogCook:Display: Marking
…/…/…/Engine/Content/Functions/MaterialLayerFunctions/MatLayerBlend_NormalBlend.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:556][
0]LogCook:Display: Marking
…/…/…/Engine/Content/Functions/MaterialLayerFunctions/MatLayerBlend_Simple.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:558][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Character/Materials/MaterialLayers/T_ML_Rubber_Blue_01_D.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:559][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Character/Materials/MaterialLayers/T_ML_Rubber_Blue_01_N.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:560][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Character/Materials/MaterialLayers/ML_GlossyBlack_Latex_UE4.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:562][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Character/Materials/MaterialLayers/ML_Plastic_Shiny_Beige.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:564][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Character/Textures/UE4_LOGO_CARD.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:565][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Character/Materials/MaterialLayers/ML_Plastic_Shiny_Beige_LOGO.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:567][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Character/Materials/MaterialLayers/T_ML_Aluminum01.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:568][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Character/Materials/MaterialLayers/T_ML_Aluminum01_N.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:569][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Character/Materials/MaterialLayers/ML_SoftMetal_UE4.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:571][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Character/Textures/UE4_Mannequin__normals.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:573][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Character/Textures/UE4_Mannequin_MAT_MASKA.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:574][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Character/Materials/M_UE4Man_Body.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:575][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Character/Mesh/SK_Mannequin_Arms_PhysicsAsset.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:576][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/Character/Mesh/SK_Mannequin_Arms.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:579][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/FPWeapon/Materials/MaterialLayers/T_ML_Rubber_Blue_01_D.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:580][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/FPWeapon/Materials/MaterialLayers/T_ML_Rubber_Blue_01_N.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:581][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/FPWeapon/Materials/MaterialLayers/ML_GlossyBlack_Latex_UE4.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:583][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/FPWeapon/Materials/MaterialLayers/ML_Plastic_Shiny_Beige.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:584][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/FPWeapon/Materials/MaterialLayers/ML_Screen.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:586][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/FPWeapon/Materials/MaterialLayers/T_ML_Aluminum01.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:587][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/FPWeapon/Materials/MaterialLayers/T_ML_Aluminum01_N.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:588][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/FPWeapon/Materials/MaterialLayers/ML_SoftMetal_UE4.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:590][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/FPWeapon/Textures/T_FPGun_M.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:591][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/FPWeapon/Textures/T_FPGun_N.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:591][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/FPWeapon/Materials/M_FPGun.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:593][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/FPWeapon/Mesh/SK_FPGun_Skeleton.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:594][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPerson/FPWeapon/Mesh/SK_FPGun.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.39.37:595][
0]LogCook:Display: Marking
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/FirstPersonBP/Blueprints/FirstPersonCharacter.uasset
as reloading for cooker because it’s
been cooked for platforms
WindowsNoEditor. MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.40.03:639][
0]LogCook:Display: Cooking
/Game/Showcase_40K_WIP2 →
D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Saved/Cooked/WindowsNoEditor/Showcase_40K_Store/Content/Showcase_40K_WIP2.umap
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
[2015.11.16-08.40.03:643][
0]LogPhysics:Warning:
AddConvexElemsToRigidActor:
[/Game/Geometry/Lighting/Showcase_40k_MainStrip_Batch03.Showcase_40k_MainStrip_Batch03]
ConvexElem[0] invalid
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
[2015.11.16-08.40.03:644][
0]LogPhysics:Warning:
AddConvexElemsToRigidActor:
[/Game/Geometry/DraftLobby/Showcase_40k_DraftLobby_Flooring.Showcase_40k_DraftLobby_Flooring]
ConvexElem[0] invalid
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
[2015.11.16-08.40.03:686][
0]LogPhysics:Warning:
AddConvexElemsToRigidActor: ConvexElem
is missing ConvexMesh (0:
/Game/Geometry/Flooring/Showcase_40k_Flooring.Showcase_40k_Flooring:BodySetup_54)
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
[2015.11.16-08.40.08:257][
0]LogWindows:Error: Windows
GetLastError: The operation completed
successfully. (0) MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd:
[2015.11.16-08.40.08:791][
0]LogOutputDevice:Error:
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd: begin: stack
for UAT MainFrameActions: Packaging
(Windows (64-bit)): UE4Editor-Cmd:
[2015.11.16-08.40.08:791][
0]LogWindows:Error: === Critical
error: === MainFrameActions: Packaging
(Windows (64-bit)): UE4Editor-Cmd:
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd: Fatal error:
[File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.10\Engine\Source\Runtime\Core\Public\Serialization\Archive.h]
[Line: 96] MainFrameActions:
Packaging (Windows (64-bit)):
UE4Editor-Cmd: FMemoryWriter does not
support data larger than 2GB. Archive
name: D:/Jonny/Documents/Unreal
Projects/Showcase_40K_Store
4.10/Content/Showcase_40K_WIP2.umap. MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
[2015.11.16-08.40.08:791][
0]LogOutputDevice:Error:
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd: end: stack
for UAT MainFrameActions: Packaging
(Windows (64-bit)): UE4Editor-Cmd:
[2015.11.16-08.40.08:809][
0]LogPhysics:Warning: PHYSX:
…..\PhysX\src\NpScene.cpp (2946) 8 :
PxScene::unlockWrite() called without
matching call to PxScene::lockWrite(),
behaviour will be undefined.
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
[2015.11.16-08.40.08:809][
0]LogPhysics:Warning: PHYSX:
…..\PhysX\src\NpScene.cpp (2946) 8 :
PxScene::unlockWrite() called without
matching call to PxScene::lockWrite(),
behaviour will be undefined.
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
[2015.11.16-08.40.08:810][
0]LogPhysics:Warning: PHYSX:
…..\PhysX\src\NpScene.cpp (2946) 8 :
PxScene::unlockWrite() called without
matching call to PxScene::lockWrite(),
behaviour will be undefined.
MainFrameActions: Packaging (Windows
(64-bit)): UE4Editor-Cmd:
[2015.11.16-08.40.08:810][
0]LogPhysics:Warning: PHYSX:
…..\PhysX\src\NpScene.cpp (2946) 8 :
PxScene::unlockWrite() called without
matching call to PxScene::lockWrite(),
behaviour will be undefined.
MainFrameActions: Packaging (Windows
(64-bit)): CommandUtils.Run: Run: Took
73.23s to run UE4Editor-Cmd.exe, ExitCode=3 MainFrameActions: Packaging
(Windows (64-bit)): Project.Cook: Cook
failed. Deleting cooked data.
MainFrameActions: Packaging (Windows
(64-bit)): BuildCommand.Execute:
ERROR: BUILD FAILED MainFrameActions:
Packaging (Windows (64-bit)):
Program.Main: ERROR: AutomationTool
terminated with exception:
MainFrameActions: Packaging (Windows
(64-bit)): Program.Main: ERROR:
Exception in
AutomationScripts.Automation: Cook
failed. MainFrameActions: Packaging
(Windows (64-bit)): Stacktrace: at
Project.Cook(ProjectParams Params)
MainFrameActions: Packaging (Windows
(64-bit)): at
BuildCookRun.DoBuildCookRun(ProjectParams
Params) MainFrameActions: Packaging
(Windows (64-bit)): at
BuildCommand.Execute()
MainFrameActions: Packaging (Windows
(64-bit)): at
AutomationTool.Automation.Execute(List1 CommandsToExecute, CaselessDictionary1 Commands)
MainFrameActions: Packaging (Windows
(64-bit)): at
AutomationTool.Automation.Process(String
CommandLine) MainFrameActions:
Packaging (Windows (64-bit)): at
AutomationTool.Program.MainProc(Object
Param) MainFrameActions: Packaging
(Windows (64-bit)): at
AutomationTool.InternalUtils.RunSingleInstance(Action`1
Main, Object Param) MainFrameActions:
Packaging (Windows (64-bit)): at
AutomationTool.Program.Main()InnerException
in AutomationUtils.Automation: BUILD
FAILED: Failed while running Cook for
D:\Jonny\Documents\Unreal
Projects\Showcase_40K_Store
4.10\Showcase_40K_Store.uproject; see log
C:\Users\Jonny\AppData\Roaming\Unreal
Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+4.10\Cook-2015.11.16-08.40.35.txt
MainFrameActions: Packaging (Windows
(64-bit)): Stacktrace: at
AutomationTool.CommandUtils.RunCommandlet(String
ProjectName, String UE4Exe, String
Commandlet, String Parameters)
MainFrameActions: Packaging (Windows
(64-bit)): at Project.Cook(Project
MainFrameActions: Packaging (Windows
(64-bit)): Params Params)
MainFrameActions: Packaging (Windows
(64-bit)): ProcessManager.KillAll:
Trying to kill 0 spawned processes.
MainFrameActions: Packaging (Windows
(64-bit)): Program.Main:
AutomationTool exiting with
ExitCode=Error_UnknownCookFailure
MainFrameActions: Packaging (Windows
(64-bit)): Domain_ProcessExit
MainFrameActions: Packaging (Windows
(64-bit)): copying UAT log files…
MainFrameActions: Packaging (Windows
(64-bit)): RunUAT.bat ERROR:
AutomationTool was unable to run
successfully. MainFrameActions:
Packaging (Windows (64-bit)): BUILD
FAILED PackagingResults:Error: Error
Unknown Cook Failure”

Any help would be greatly appreciated

So I fixed my own problem.

The way we sorted it was to create a new empty project with no starter content.
We saved the project then Migrated our persistent level (& all sub-levels) to the new projects content folder.
This essentially purged all the unnecessary data that may have been over loading the FMemory.

Its not an Ideal fix but it got us to the point of being able to deploy the game on other PCs which was the result we wanted.
Hope this helps anybody hitting this same issue.