That’s the error I get when packaging the ActionRPG template. Did it in a new project, other projects work, just not the ActionRPG template by Epic games.
UATHelper: Packaging (Windows (64-bit)): ERROR: UBT ERROR: Failed to produce item: C:\Users\blank\OneDrive\Documents\Unreal Projects\ActionRPG4\Binaries\Win64\ActionRPG.exe
UATHelper: Packaging (Windows (64-bit)): (see C:\Users\blank\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+(x86)+Epic+Games+UE_4.20\UBT-ActionRPG-Win64-Development_2.txt for full exception trace)
PackagingResults: Error: UBT ERROR: Failed to produce item: C:\Users\blank\OneDrive\Documents\Unreal Projects\ActionRPG4\Binaries\Win64\ActionRPG.exe
UATHelper: Packaging (Windows (64-bit)): Total build time: 49.17 seconds (Parallel executor: 0.00 seconds)
UATHelper: Packaging (Windows (64-bit)): Took 49.6594217s to run UnrealBuildTool.exe, ExitCode=5
UATHelper: Packaging (Windows (64-bit)): ERROR: UnrealBuildTool failed. See log for more details. (C:\Users\blank\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+(x86)+Epic+Games+UE_4.20\UBT-ActionRPG-Win64-Development_2.txt)
UATHelper: Packaging (Windows (64-bit)): (see C:\Users\blank\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+(x86)+Epic+Games+UE_4.20\Log.txt for full exception trace)
PackagingResults: Error: UnrealBuildTool failed. See log for more details. (C:\Users\blank\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+(x86)+Epic+Games+UE_4.20\UBT-ActionRPG-Win64-Development_2.txt)
UATHelper: Packaging (Windows (64-bit)): AutomationTool exiting with ExitCode=5 (5)
UATHelper: Packaging (Windows (64-bit)): BUILD FAILED
PackagingResults: Error: Unknown Error
LogSlate: Took 0.131850 seconds to synchronously load lazily loaded font '../../../Engine/Content/Slate/Fonts/DroidSansMono.ttf' (77K