Step #96 in the Graphics Overhaul list
Better Robes TR.esp plugin, a patched version should be used instead (if you're following a list, it's up next). This mod is listed as 'Partially Working' due to Tamriel Rebuilt robe issues, and that patch fixes them.
UFR_v3dot2.esp plugin needs cleaning, however the main
Better Clothes.ESP plugin does not; followers of the Total Overhaul list don't need to clean anything.