Don't know if I'm missing something or what but seems strange. I was attempting to do a Surface sweep-twist along path, that works but.... When choosing sketch 4 as the profile and sketch 1 as the path (with no twist) it errors. If I choose sketch 1 as the profile and sketch 4 as the path (no twist) it gives the surface. Seems to me it is inconsistent since they are both "on the same plane" as the error states or is this supposed to happen? I have no need for a flat surface to be developed in this manner just stumbled into this.