I keep getting the same error when trying to package my game

This is what I get.
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: begin: stack for UAT
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: === Critical error: ===
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: Assertion failed: InTexture != nullptr [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Engine/Private/UserInterface/CanvasItem.cpp] [Line: 382]
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffe20f4474c KERNELBASE.dll!UnknownFunction []
PackagingResults: Error: begin: stack for UAT
PackagingResults: Error: === Critical error: ===
PackagingResults: Error: Assertion failed: InTexture != nullptr [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Engine/Private/UserInterface/CanvasItem.cpp] [Line: 382]
PackagingResults: Error: [Callstack] 0x00007ffe20f4474c KERNELBASE.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd684b0216 UE4Editor-Core.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd684b4218 UE4Editor-Core.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd681d242d UE4Editor-Core.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd68126a45 UE4Editor-Core.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd681280a0 UE4Editor-Core.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd658d0c3d UE4Editor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd65a0fd9b UE4Editor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd68e519c4 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd6910f37b UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd69132573 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd69134d8d UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd684b0216 UE4Editor-Core.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd684b4218 UE4Editor-Core.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd681d242d UE4Editor-Core.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd68126a45 UE4Editor-Core.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd681280a0 UE4Editor-Core.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd658d0c3d UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd65a0fd9b UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd68e519c4 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd6910f37b UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd69132573 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd69134d8d UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd69134184 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd68e519c4 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd69133ca3 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd6459942a UE4Editor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd64488dab UE4Editor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd649023bd UE4Editor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd68e519c4 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd6910f37b UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd69132573 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd69134d8d UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd69134184 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd69134184 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd68e519c4 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd69133ca3 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd6459942a UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd64488dab UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd649023bd UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd68e519c4 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd6910f37b UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd69132573 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd69134d8d UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd69134184 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd68e519c4 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd69133ca3 UE4Editor-CoreUObject.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd6459942a UE4Editor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd645995e3 UE4Editor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd6457b06c UE4Editor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd645a0de7 UE4Editor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd64e88872 UE4Editor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd6597273b UE4Editor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd62e00ebb UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd62e1a4cc UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd62cc0f89 UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd62cb41a7 UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd62cc988f UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd62afe6a0 UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffd62b28f4d UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff6efbaa02c UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff6efba0d2c UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff6efba10ba UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff6efba40dd UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff6efbb5984 UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff6efbb78be UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffe225354e0 KERNEL32.DLL!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffe236a485b ntdll.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: end: stack for UAT
PackagingResults: Error: [Callstack] 0x00007ffd68e519c4 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd69133ca3 UE4Editor-CoreUObject.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd6459942a UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd645995e3 UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd6457b06c UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd645a0de7 UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd64e88872 UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd6597273b UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd62e00ebb UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd62e1a4cc UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd62cc0f89 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd62cb41a7 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd62cc988f UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd62afe6a0 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffd62b28f4d UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff6efbaa02c UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff6efba0d2c UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff6efba10ba UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff6efba40dd UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff6efbb5984 UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff6efbb78be UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe225354e0 KERNEL32.DLL!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffe236a485b ntdll.dll!UnknownFunction []
PackagingResults: Error: end: stack for UAT
UATHelper: Packaging (Windows (64-bit)): Took 54.0650797s to run UE4Editor-Cmd.exe, ExitCode=3
UATHelper: Packaging (Windows (64-bit)): ERROR: Cook failed.
PackagingResults: Error: Cook failed.
UATHelper: Packaging (Windows (64-bit)): (see C:\Users\asher\AppData\Roaming\Unreal Engine\AutomationTool\Logs\Q+UE_4.27\Log.txt for full exception trace)
UATHelper: Packaging (Windows (64-bit)): AutomationTool exiting with ExitCode=25 (Error_UnknownCookFailure)
UATHelper: Packaging (Windows (64-bit)): BUILD FAILED
PackagingResults: Error: Unknown Cook Failure
Any help would be appreciated!

Hi thepurplerhombus, welcome to the community!

UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: Assertion failed: InTexture != nullptr [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Engine/Private/UserInterface/CanvasItem.cpp] [Line: 382]

It look like there are a missing texture somewhere…
The line is in FCanvasTileItem::FCanvasTileItem not sure if that will help but I would guess it’s in a UI.

I would make a copy of the project and start checking/removing UI stuff.

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