PackagingResults: Error: Unknown Error UE 5.5

Hello there @Cyanide_Christ! Let’s see what we can do here.

From the contents of your provided log, certain toolsets on VS are not using the proper version. For instance, MSVC has a line calling for the latest update, as seen here:

UATHelper: Packaging (Windows): Visual Studio 2022 compiler version 14.43.34810 is not a preferred version. Please use the latest preferred version 14.38.33130

In order to fix the issue, and correct any other componets, please follow the UE setup guide for Visual Studio, which also includes the supported versions for all software elements:

Hope this helps!