Unknown cook Failure

Development Platform & Builds
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Hello, i’m having one issue, i can’t package my project, because im getting unknown cook failure, and i’m completely lost.

I’ve been following various tutorials and been building my game using blueprints, since im relatively new i can’t figure out fully what the error is trying to say, so here it is:

EDIT: forgot to mention, building for Windows x64 development

full log on pastebin

just the error part bellow:

UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: begin: stack for UAT
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: === Critical error: ===
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: Fatal error!
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffff
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Core.dll!0x00000000A12B2F6A
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Core.dll!0x00000000A12B5223
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Core.dll!0x00000000A0F64030
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Core.dll!0x00000000A0F6426E
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Engine.dll!0x0000000092C61AFD
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Engine.dll!0x0000000092C3D16E
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Engine.dll!0x0000000092C6998C
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Engine.dll!0x0000000092C67544
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Engine.dll!0x0000000092C6A4B1
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Engine.dll!0x0000000092B41494
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Engine.dll!0x0000000092BC7C7A
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-CoreUObject.dll!0x00000000C363B0CD
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-UnrealEd.dll!0x000000009FA3493D
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-UnrealEd.dll!0x000000009F8EEA21
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-UnrealEd.dll!0x000000009F8EFE83
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-UnrealEd.dll!0x000000009F8FB867
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-UnrealEd.dll!0x000000009F79E3E2
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-UnrealEd.dll!0x000000009F7C36E1
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Cmd.exe!0x000000006162B53F
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Cmd.exe!0x000000006162379A
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Cmd.exe!0x00000000616239EA
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Cmd.exe!0x00000000616302D9
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Cmd.exe!0x0000000061631083
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: KERNEL32.DLL!0x00000000F71E2774
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: ntdll.dll!0x00000000F90C0D51
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: ntdll.dll!0x00000000F90C0D51
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: end: stack for UAT
UATHelper: Packaging (Windows (64-bit)): CommandUtils.Run: Run: Took 235.8848386s to run UE4Editor-Cmd.exe, ExitCode=-1073741819
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 D:\Unreal Projects\OverRoyale\OverRoyale\OverRoyale.uproject; see log C:\Users\Ufona\AppData\Roaming\Unreal Engine\Automat
ionTool\Logs\D+Program+Files+(x86)+Epic+Games+UE_4.17\Cook-2017.10.14-21.42.25.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, Dictionary2 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: Unknown Cook Failure

Thank you!