Can't build for iOS with UE 5.5.4

[Kevin_Ring]

Hi @MKI_Archi, welcome to the community!

Please see here:

Building Cesium-Unreal for VisionOS

Hi @dagillespie, I don’t have any ready-made solutions for any of this, but I may be able to help you make some progress, at least. First, that Exited with code: 139 error. I also saw that on my corporate-managed MBP when packaging for iOS. I spent awhile trying to debug it, and I still don’t know exactly why it happens. UnrealBuildTool seems to simply be crashing for no clear reason. But I was able to work around it by disabling the Unreal Build Accelerator. Create ~/Library/Application Supp…

I think that either disabling UBA or setting the MaxParallelActions to 2 (or both) may help in your case as well. It’s worth a try, at least.