I just got that issue while shipping for windows
********** BUILD COMMAND STARTED **********
UATHelper: Packaging (Windows): Running: C:\Program Files\Epic Games\UE_5.3\Engine\Binaries\ThirdParty\DotNet\6.0.302\windows\dotnet.exe “C:\Program Files\Epic Games\UE_5.3\Engine\Binaries\DotNET\UnrealBuildTool\UnrealBuildTool.dll” Warehouse_Smashdown Win64 Shipping -Project=“D:\My Documents\Stilyan\Programming and Editing\Programming\Files\UE5\Work Files\Warehouse Smashdown\Warehouse_Smashdown.uproject” -Manifest=“D:\My Documents\Stilyan\Programming and Editing\Programming\Files\UE5\Work Files\Warehouse Smashdown\Intermediate\Build\Manifest.xml” -remoteini=“D:\My Documents\Stilyan\Programmi
ng and Editing\Programming\Files\UE5\Work Files\Warehouse Smashdown” -skipdeploy -log=“C:\Users\Becko\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_5.3\UBT-Warehouse_Smashdown-Win64-Shipping.txt”
UATHelper: Packaging (Windows): Log file: C:\Users\Becko\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_5.3\UBT-Warehouse_Smashdown-Win64-Shipping.txt
UATHelper: Packaging (Windows): Creating makefile for Warehouse_Smashdown (no existing makefile)
UATHelper: Packaging (Windows): Total execution time: 0.58 seconds
UATHelper: Packaging (Windows): Visual Studio 2022 x64 must be installed in order to build this target.
UATHelper: Packaging (Windows): Took 0.72s to run dotnet.exe, ExitCode=6
UATHelper: Packaging (Windows): UnrealBuildTool failed. See log for more details. (C:\Users\Becko\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_5.3\UBT-Warehouse_Smashdown-Win64-Shipping.txt)
UATHelper: Packaging (Windows): AutomationTool executed for 0h 0m 2s
UATHelper: Packaging (Windows): AutomationTool exiting with ExitCode=6 (6)
UATHelper: Packaging (Windows): BUILD FAILED
PackagingResults: Error: Unknown Error