Packing error. Please help

Development Platform & Builds Mobile
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1

Hi all, please help me with my problem. When packaging the project, an error occurs, logs attached. The project blueprint, reinstalled engine, Windows fresh.

UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: begin: stack for UAT
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: === Handled ensure: ===
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error:
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: Ensure condition failed: ShouldSerializeWidgetTree(TargetPlatform) == false [File:D:\Build++UE4+Release-4.18+Compile\Sync\Engine\Source\Runtime\UMG\Private\UserWidget.cpp] [Line: 1721]
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: Stack:
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x0000000055C02786 UE4Editor-Core.dll!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00000000559A123A UE4Editor-Core.dll!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00000000559BB906 UE4Editor-Core.dll!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00000000695BC2C2 UE4Editor-UMG.dll!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00000000554E1077 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00000000554CA5F6 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x000000004FAFEB8D UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x000000004F9C112E UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x000000004F9C2473 UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x000000004F9CE3B7 UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x000000004F867D61 UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x000000004F88F391 UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00000000FF0DD25F UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00000000FF0D525A UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00000000FF0D54AA UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00000000FF0E2379 UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x00000000FF0E3193 UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x000000009CAF1FE4 KERNEL32.DLL!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: [Callstack] 0x000000009DACEF91 ntdll.dll!UnknownFunction []
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogInit: Display: LogOutputDevice: Error: end: stack for UAT

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2

I’ve had this error as well, after looking through your log I’ve noticed the first error is on

UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): LogCook: Display: Cooking /Game/UMG/NewWidgetBlueprint → D:/Users/Documents/Unreal Projects/Runner/Saved/Cooked/Android_Multi/Runner/Content/UMG/NewWidgetBlueprint.uasset

The problem that I had was that I deleted this file in the Unreal Editor but that it was still in my Content folder. So when launching from the Unreal Editor worked correctly but while packaging it would fail to package this file.

Deleting the file solved my problem.