to fix this, select the exact isoparms of the 2 surfaces that you want to attch and then hit attach. this willt ell maya that these 2 isoparms are exactly what you want to attach and your surfaces will not disappear.
And after calming me down with some orange slices and some fetal spooning,
E.T. revealed to me his singular purpose.
--TOOL, 10,000 Days---