Holy sh*t…
usually when packaging fails we try to optimize the scene : check lightmaps density, check errors when building light and fix them if there are some, try to cook content before packaging it…
I’m no pro but try to check lightmaps densities first (everything should be green or blue - if u have yellow, orange or red then lower the resolution of the lightmap per object till it turns green)… this is the problem when disabling texture streaming, it requires the full capacity and sometimes it crashes… time to optimize the whole scene