For the NEC Design Kit, you can download it from Nec site, it will be help full for you if you are interesting to use Nec transistors.
For the the device, i used the transistor from Nec design kit so i do konw why you have written nonlinear model !!!
Added after 6 minutes:
TerryADS, Even i deleted the via in layout and then i re-generated the component the problem persists so pls if you have gotten without the error could you send us the projet that you have modified ?
thank you in advance,
N