Cannot Package on macOs - No AutomationTool.exe

Development Platform & Builds
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1

Just installed a fresh prebuilt 4.15.1 from game launcher on macOs

I cannot package as AutomationTool.exe is missing:

UATHelper: Packaging (Mac): Running AutomationTool...
UATHelper: Packaging (Mac): Setting up Mono
UATHelper: Packaging (Mac): Start UAT: mono AutomationTool.exe -ScriptsForProject=/Users/neonphog/projects/ModSkeleton/ModSkeleton.uproject BuildCookRun -nocompile -nocompileeditor -installed -nop4 -project=/Users/neonphog/projects/ModSkeleton/ModSkeleton.uproject -cook -stage -archive -archivedirectory=/Users/neonphog/projects/ModSkeleton/tmp -package -clie
ntconfig=Development -ue4exe=UE4Editor -compressed -pak -prereqs -nodebuginfo -targetplatform=Mac -build -CrashReporter -utf8output
UATHelper: Packaging (Mac): Cannot open assembly 'AutomationTool.exe': No such file or directory.
UATHelper: Packaging (Mac): RunUAT ERROR: AutomationTool was unable to run successfully.
PackagingResults:Error: Error Invalid Arguments

If I create a custom launch profile, and check Build UAT, I get:

Running AutomationTool...
Setting up Mono
Compiling AutomationTool with xbuild
xbuild Source/Programs/AutomationTool/AutomationTool.csproj /p:Configuration=Development /p:Platform=AnyCPU /verbosity:quiet /nologo /p:TargetFrameworkProfile=
/Users/Shared/Epic Games/UE_4.15/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/Microsoft.CSharp.targets: error : Error executing tool '/Users/Shared/Epic Games/UE_4.15/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/mcs.exe': ApplicationName='/Users/Shared/Epic Games/UE_4.15/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/mcs.exe', CommandLine='/noconfig @/var/folders/j0/lv1k2cds61188hhnly6fgxz00000gn/T/tmp386baeaa.tmp', CurrentDirectory='/Users/Shared/Epic Games/UE_4.15/Engine/Source/Programs/DotNETCommon/DotNETUtilities', Native error= Cannot find the specified file
/Users/Shared/Epic Games/UE_4.15/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/Microsoft.CSharp.targets: error : Error executing tool '/Users/Shared/Epic Games/UE_4.15/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/mcs.exe': ApplicationName='/Users/Shared/Epic Games/UE_4.15/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/mcs.exe', CommandLine='/noconfig @/var/folders/j0/lv1k2cds61188hhnly6fgxz00000gn/T/tmp6cf1a254.tmp', CurrentDirectory='/Users/Shared/Epic Games/UE_4.15/Engine/Source/Programs/UnrealBuildTool', Native error= Cannot find the specified file
/Users/Shared/Epic Games/UE_4.15/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/Microsoft.CSharp.targets: error : Error executing tool '/Users/Shared/Epic Games/UE_4.15/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/mcs.exe': ApplicationName='/Users/Shared/Epic Games/UE_4.15/Engine/Binaries/ThirdParty/Mono/Mac/lib/mono/4.5/mcs.exe', CommandLine='/noconfig @/var/folders/j0/lv1k2cds61188hhnly6fgxz00000gn/T/tmp7d830f2.tmp', CurrentDirectory='/Users/Shared/Epic Games/UE_4.15/Engine/Source/Programs/AutomationTool/AutomationUtils', Native error= Cannot find the specified file
_wapi_handle_unref_full: Attempting to unref unused handle 0x2852
_wapi_handle_unref_full: Attempting to unref unused handle 0x2853
_wapi_handle_unref_full: Attempting to unref unused handle 0x2866
_wapi_handle_unref_full: Attempting to unref unused handle 0x287b
RunUAT ERROR: AutomationTool failed to compile.
2

Got it working, though I’m not sure what went wrong…

I deleted my whole “/Users/Shared/Epic Games/UE_4.15/” directory, then had the Epic Games Launcher repair the installation… and now it seems to be working.

Very strange.

3

I have the same issue, sadly this didn’t solve it in my case. Also cannot package plugins. Everything works on 4.14.

4

Deleting unreal (4.16 in my case) and removing the space in “Epic Games” to “EpicGames” for the install directory fixed the issue for me.

5

For me, Unreal 4.16.2, I’d just make a “repair” on the launcher and it works fine.

6

We ran into this as well with 4.17.2 - the fix was to rename ‘Epic Games’ to ‘EpicGames’ as mentioned above.

Note that “/Users/Shared/Epic Games/UE_4.17.2/…” is the default path used by the launcher. So this would significantly affect all MacOS users?