Doesn't work in shop

I have tried with just that mod in folder and doesn't work. : attempt to index field '?' (a nil value) Error: LUA running function 'update' D:/Code/Giants/lsim2013/build/finalbin/dataS/scripts/InputBinding.lua(47) : attempt to index field '?' (a nil value) Error: LUA running function 'update' D:/Cod...

yes I have that patch

Im sorry, i really like this tractor but when I put it in the game I can just buy it and when I try to drive it just doesn't happend anything. My whole game frezze.

SORRY for bad english!

Den går att köpa men sen funkar den inte och fryser hela spelet. Vad är fel? :/