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Unknown Packaging Error and Frequent Editor Crashing

I’ve been working on a project for a game jam, and everything as been very stable and working flawlessly until recently. The Editor crashes frequently, usually when doing simple things in blueprints. Ever since this frequent crashing I have also been unable to package my project. The only reason I could think of causing this was Force Deleting map Build data, as I was having lighting issues with it (I am using models without UV’s so I have to use movable lighting instead).
[HR][/HR]

UATHelper: Packaging (Windows (64-bit)): Cook: LogAssetRegistryGenerator:Display: Done saving asset registry.
UATHelper: Packaging (Windows (64-bit)): Cook: LogCook:Display: Cook by the book total time in tick 11.582923s total time 13.604405
UATHelper: Packaging (Windows (64-bit)): Cook: LogCook:Display: Peak Used virtual 991 Peak Used phsical 1052
UATHelper: Packaging (Windows (64-bit)): Cook: LogCook:Display: Hierarchy timer information
UATHelper: Packaging (Windows (64-bit)): Cook: Name: Length(ms)Root: 0.000000ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: StartCookByTheBookTime: 990.417838ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: GenerateAssetRegistryTime: 93.507107ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: CleanSandboxTime: 38.620885ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: ProcessingAccessedStrings: 10.058217ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: CollectFilesToCook: 214.316169ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: CookModificationDelegate: 0.011688ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: GenerateLongPackageName: 0.713937ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: TickCookOnTheSide: 11582.239766ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: ShouldCook: 0.049671ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: CallBeginCacheForCookedPlatformData: 108.605836ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: PostLoadPackageFixup: 12.078166ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: UnsolicitedMarkup: 8.346274ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: GetObjectsWithOuter: 1.089739ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: GeneratePackageNames: 6.626207ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: UnsolicitedPackageAlreadyCooked: 5.097583ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: PackageCast: 0.412472ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: FullGCAssetsContains: 0.406288ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: AddUnassignedPackageToManifest: 0.000000ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: GetCachedName: 0.887923ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: AddToPackageList: 0.266818ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: SavingPackages: 9987.753240ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: PrecachePlatformDataForNextPackage: 12.151822ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: PrecachePlatformDataForNextNextPackage: 385.097757ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: SaveCookedPackage: 9570.624202ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: LoadPackage: 0.806775ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: GEditorSavePackage: 9368.033446ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: ConvertingBlueprints: 37.488161ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: ClearAllCachedCookedPlatformData: 3.999867ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: EnqueueUnsavedPackages: 0.088844ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: LoadPackage: 1460.612716ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: GeneratingBlueprintAssets: 40.831368ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: SavingCurrentIniSettings: 41.115716ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: ProcessingAccessedStrings: 10.823002ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: SavingAssetRegistry: 930.620868ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: BuildChunkManifest: 8.985708ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: SaveManifests: 0.242265ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: SaveRealAssetRegistry: 27.416810ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: SaveCookedPackageAssetRegistry: 893.891633ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: SortingCookedPackages: 0.267105ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: AsyncDetermineAllDependentPackageInfo: 102.809597ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: DeterminePackageDependentHash: 1.432870ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: DetermineFullPackageHash: 1.102036ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: GetPackageDependencies: 1.599714ms
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: IntStats
UATHelper: Packaging (Windows (64-bit)): Cook: SavedPackage=441
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: LoadPackage=111
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: LogSavePackage:Display: Took 0.324838s to verify the EDL loading graph.
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: Misc Cook Stats
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: ===============
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: ShaderCompiler
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: BlockingTimeSec=0.000001
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: AsyncCompileTimeSec=0.000000
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: GlobalBeginCompileShaderTimeSec=0.000000
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: GlobalBeginCompileShaderCalls=0
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: ProcessAsyncResultsTimeSec=0.000116
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: GlobalShader.Misc
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: ShadersCompiled=0
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: MeshMaterial.Misc
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: ShadersCompiled=0
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: MaterialShader.Misc
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: ShadersCompiled=0
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: Package.Load
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: NumPackagesLoaded=229
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: LoadPackageTimeSec=3.499299
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: Package.Save
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: NumPackagesSaved=441
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: SavePackageTimeSec=8.800357
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: TagPackageExportsPresaveTimeSec=1.540897
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: TagPackageExportsTimeSec=1.401052
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: ResetLoadersForSaveTimeSec=0.062756
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: TagPackageExportsGetObjectsWithOuter=0.006911
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: TagPackageExportsGetObjectsWithMarks=0.000579
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: SerializeImportsTimeSec=0.000000
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: SortExportsSeekfreeInnerTimeSec=0.352097
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: SerializeExportsTimeSec=0.208844
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: SerializeBulkDataTimeSec=0.019941
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: AsyncWriteTimeSec=0.002933
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: MBWritten=147.337923
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display:
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: Cook Profile
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: ============
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0.CookWallTimeSec=22.359389
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0. 0.StartupWallTimeSec=8.411952
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0. 1.CookByTheBookTimeSec=13.947425
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0. 1. 0.StartCookByTheBookTimeSec=0.990429
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0. 1. 0. 0.GameCookModificationDelegateTimeSec=0.000014
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0. 1. 1.TickCookOnTheSideTimeSec=12.602459
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0. 1. 1. 0.TickCookOnTheSideLoadPackagesTimeSec=1.463097
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0. 1. 1. 1.TickCookOnTheSideSaveCookedPackageTimeSec=9.571435
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0. 1. 1. 1. 0.TickCookOnTheSideResolveRedirectorsTimeSec=0.000000
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0. 1. 1. 2.TickCookOnTheSideBeginPackageCacheForCookedPlatformDataTimeSec=0.502977
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0. 1. 1. 3.TickCookOnTheSideFinishPackageCacheForCookedPlatformDataTimeSec=0.010803
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0. 1. 2.TickLoopGCTimeSec=0.000000
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0. 1. 3.TickLoopRecompileShaderRequestsTimeSec=0.013094
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0. 1. 4.TickLoopShaderProcessAsyncResultsTimeSec=0.000016
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0. 1. 5.TickLoopProcessDeferredCommandsTimeSec=0.000064
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: 0. 1. 6.TickLoopTickCommandletStatsTimeSec=0.000005
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display:
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: DDC Summary Stats
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: =================
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: TotalGetHits = 1007
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: TotalGets = 1007
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: TotalHitPct = 1.000000
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: LocalHitPct = 0.424032
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: SharedHitPct = 0.000000
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: OtherHitPct = 0.575968
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: MissPct = 0.000000
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display:
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: DDC Resource Stats
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: =======================================================================================================
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: Asset Type Total Time (Sec) GameThread Time (Sec) Assets Built MB Processed
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: ---------------------------------- ---------------- --------------------- ------------ ------------
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: Texture (Streaming) 0.19 0.00 0 46.52
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: StaticMesh 0.19 0.19 0 23.33
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: MaterialShader 0.16 0.16 0 10.35
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: PhysX (BodySetup) 0.05 0.05 0 12.71
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: Texture (Inline) 0.04 0.04 0 51.44
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: SoundWave 0.03 0.03 0 19.01
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: GlobalShader 0.02 0.02 0 2.31
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: NavCollision 0.01 0.01 0 0.10
UATHelper: Packaging (Windows (64-bit)): Cook: LogCookCommandlet:Display: DistanceField 0.00 0.00 0 0.00
UATHelper: Packaging (Windows (64-bit)): Cook: LogInit:Display:
UATHelper: Packaging (Windows (64-bit)): Cook: LogInit:Display: Warning/Error Summary (Unique only)
UATHelper: Packaging (Windows (64-bit)): Cook: LogInit:Display: -----------------------------------
UATHelper: Packaging (Windows (64-bit)): Cook: LogInit:Display: LogBlueprint:Error: [Compiler PersistentLevel.Lvl2] Error The property associated with Current Level could not be found from Source: /Game/FirstPersonBP/Maps/Lvl2.Lvl2:PersistentLevel.Lvl2
UATHelper: Packaging (Windows (64-bit)): Cook: LogInit:Display: LogBlueprint:Warning: [Lvl2] ‘Current Level’ variable not found. Base class was probably changed.
UATHelper: Packaging (Windows (64-bit)): Cook: LogInit:Display: LogBlueprint:Warning: [Compiler PersistentLevel.Lvl2] Warning Could not find a variable named “Current Level” in ‘FirstPersonCharacter_C’.
UATHelper: Packaging (Windows (64-bit)): Cook: Make sure ‘FirstPersonCharacter_C’ has been compiled for Set Current Level
UATHelper: Packaging (Windows (64-bit)): Cook: LogInit:Display: LogBlueprint:Warning: [Compiler PersistentLevel.Lvl2] Warning [0011.24] Compile of PersistentLevel.Lvl2 failed. 1 Fatal Issue(s) 1 Warning(s) [in 1 ms] (/Game/FirstPersonBP/Maps/Lvl2.Lvl2:PersistentLevel.Lvl2)
UATHelper: Packaging (Windows (64-bit)): Cook: LogInit:Display: LogBlueprint:Warning: [Compiler PersistentLevel.Lvl2] Warning [0011.24] Compile of PersistentLevel.Lvl2 failed. 1 Fatal Issue(s) 2 Warning(s) [in 0 ms] (/Game/FirstPersonBP/Maps/Lvl2.Lvl2:PersistentLevel.Lvl2)
UATHelper: Packaging (Windows (64-bit)): Cook: LogInit:Display: LogBlueprint:Warning: [Compiler PersistentLevel.Lvl2] Warning [0011.24] Compile of PersistentLevel.Lvl2 failed. 1 Fatal Issue(s) 3 Warning(s) [in 0 ms] (/Game/FirstPersonBP/Maps/Lvl2.Lvl2:PersistentLevel.Lvl2)
UATHelper: Packaging (Windows (64-bit)): Cook: LogInit:Display:
UATHelper: Packaging (Windows (64-bit)): Cook: LogInit:Display: Failure - 1 error(s), 8 warning(s)
UATHelper: Packaging (Windows (64-bit)): Cook: LogInit:Display:
UATHelper: Packaging (Windows (64-bit)): Cook:
UATHelper: Packaging (Windows (64-bit)): Cook: Execution of commandlet took: 13.95 seconds
UATHelper: Packaging (Windows (64-bit)): Cook: LogOnline:Display: Unloading online subsystem: NULL
UATHelper: Packaging (Windows (64-bit)): CommandUtils.Run: Run: Took 23.1650857s to run UE4Editor-Cmd.exe, ExitCode=1
UATHelper: Packaging (Windows (64-bit)): Project.Cook: Cook failed. Deleting cooked data.
UATHelper: Packaging (Windows (64-bit)): Program.Main: ERROR: AutomationTool terminated with exception: AutomationTool.AutomationException: Cook failed. —> AutomationTool.CommandletException: BUILD FAILED: Failed while running Cook for C:\Users\J5689\Documents\Unreal Projects\ThirtySecondQuest\ThirtySecondQuest.uproject; see log C:\Users\J5689\AppData\Roam
ing\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_4.16\Cook-2017.08.21-19.54.47.txt
UATHelper: Packaging (Windows (64-bit)): at AutomationTool.CommandUtils.RunCommandlet(FileReference ProjectName, String UE4Exe, String Commandlet, String Parameters)
UATHelper: Packaging (Windows (64-bit)): at AutomationTool.CommandUtils.CookCommandlet(FileReference ProjectName, String UE4Exe, String] Maps, String] Dirs, String InternationalizationPreset, String] CulturesToCook, String TargetPlatform, String Parameters)
UATHelper: Packaging (Windows (64-bit)): at Project.Cook(ProjectParams Params)
UATHelper: Packaging (Windows (64-bit)): — End of inner exception stack trace —
UATHelper: Packaging (Windows (64-bit)): at Project.Cook(ProjectParams Params)
UATHelper: Packaging (Windows (64-bit)): at BuildCookRun.DoBuildCookRun(ProjectParams Params)
UATHelper: Packaging (Windows (64-bit)): at BuildCookRun.ExecuteBuild()
UATHelper: Packaging (Windows (64-bit)): at AutomationTool.BuildCommand.Execute()
UATHelper: Packaging (Windows (64-bit)): at AutomationTool.Automation.Execute(List1 CommandsToExecute, CaselessDictionary1 Commands)
UATHelper: Packaging (Windows (64-bit)): at AutomationTool.Automation.Process(String] Arguments)
UATHelper: Packaging (Windows (64-bit)): at AutomationTool.Program.MainProc(Object Param)
UATHelper: Packaging (Windows (64-bit)): at AutomationTool.InternalUtils.RunSingleInstance(Func`2 Main, Object Param)
UATHelper: Packaging (Windows (64-bit)): at AutomationTool.Program.Main()
UATHelper: Packaging (Windows (64-bit)): Program.Main: AutomationTool exiting with ExitCode=25 (Error_UnknownCookFailure)
UATHelper: Packaging (Windows (64-bit)): BUILD FAILED
PackagingResults:Error: Error Unknown Cook Failure
LogSlate: Took 0.000149 seconds to synchronously load lazily loaded font ‘…/…/…/Engine/Content/Editor/Slate/Fonts/DroidSansMono.ttf’ (77K)

Would recommend you try to migrate your content to a new project and then try again.

Dang. Thanks for the response, I’ll try it out.

Yeah this has happened to me before in the Blueprints.

This usually happens when you delete some blueprints from project and builder tool still tries to add them to the packaging process.

Do you think re-building everything could fix it?

I seem to have fixed the issue (at least I can package now) building the level giving out errors did not fix the issue, however deleting it entirely did. It wasn’t really in use anyways so it isn’t too bad.