i import to sandbox my 3D model, in the sandbox i add the Metalic and the Lightmap, but when i export to glb in my server the changes miss. but the file is more hevy, i guess the Metalic and the Lightmap add to the glb but isn’t active.
Some one know what happend and how to solve this problem?
this is my 3d
when i add all the textures and elements looks like this
and when i export looks like this.