Warning: Obj in another map

Development Cinematics & Media
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1

Hi,

When we are trying to package our project, we get the following warning which causes the cooking to fail:

UATHelper: Packaging (Windows (64-bit)): Cook: LogSavePackage: Warning: Obj in another map: HologramMenu_C /Game/Maps/test.test:PersistentLevel.DeHoogMenu
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: KERNELBASE.dll!0x000000008A1B9E08
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Core.dll!0x00000000421014B4
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Core.dll!0x0000000041EEAEA4
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-CoreUObject.dll!0x00000000415416D0
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-UnrealEd.dll!0x000000003A2448FD
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-UnrealEd.dll!0x000000003A0FE9F1
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-UnrealEd.dll!0x000000003A0FFE53
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-UnrealEd.dll!0x000000003A10B837
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-UnrealEd.dll!0x0000000039FAE3E2
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-UnrealEd.dll!0x0000000039FD36E1
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Cmd.exe!0x000000004903B53F
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Cmd.exe!0x000000004903379A
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Cmd.exe!0x00000000490339EA
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Cmd.exe!0x00000000490402D9
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: UE4Editor-Cmd.exe!0x0000000049041083
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: KERNEL32.DLL!0x000000008A8F2774
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: ntdll.dll!0x000000008CFD0D51
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: ntdll.dll!0x000000008CFD0D51
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: 
UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: end: stack for UAT

This happens when a MediaPlayer type variable of a blueprint is assigned. When it’s not assigned, it’s packaging just fine.
Searching this warning didn’t give me a lot of info.

2

BUMP … same problem

3

You can’t use media player directly in level blueprints. See link.

4

I’m also encountering this issue, and following @undercover’s link helped me to isolate the problem. (Same as OP) but I still haven’t found a way to resolve this.

Update: I was able to resolve this by setting the Variable directly OnBeginPlay() instead of setting the default value.