Please help me.!! When I do my uv map and create from polypaint my uv map is messed up and that seems to happen when my obj contains top stitches, i made a skirt on marvelous with buttons and stitches to make denim style skirt and the uv map on zbrush comes out like this: 
Hello @Leitithia
Did you fuse the stitches to the pants prior to creating a displacement map, or are they still separate geometry? Doing the former will eliminate a lot of potential problems.