This is an old thread, but I'm having this same issue after I type in the ratsnest command. Specifically, on the v1Plus board, one pad of R8 doesn't connect to anything. The other end is connected to pin 8 of IC3. Is there a schematic of this version of the board somewhere? It looks like the part numbers are all different compared to the first version. Finally, is the Eagle .sch file available? I searched for all this info, sorry if I missed it. Thanks! Dave