Hmm, that’s a new one. It suggests that UBT can’t work out what VS version to use (which in turn affects what Windows SDK is supported). Perhaps try explicitly requesting VS2017 (required for the 16299 SDK) via GenerateProjectFiles -2017.
Hmm, that’s a new one. It suggests that UBT can’t work out what VS version to use (which in turn affects what Windows SDK is supported). Perhaps try explicitly requesting VS2017 (required for the 16299 SDK) via GenerateProjectFiles -2017.