Lispscript help

Hello.

I need help.

Im upgrading my vsett 10+ scooter with vesc drive and i wanna keep stock display.

I have found this lisp scrip that would make vesc comunicate with stock display but when i load it to my vesc i get error about some variable not bound.

Can anyone help, i dont know how to solve that.

https://github.com/aka13-404/VSETT-LISP/blob/master/Installation.md