uvs

Hello, I have a 3d model which I uvmapped in blender and transfered over to 3ds max by fbx format. The model is fine until I export to mdx with any mdx exporter. I tried dex's exporter, mdx exporter and neodex on 3ds max 2009, 2010, 2014 and 2016. All versions break the uvs, so when I open in...