As soon as I started it up this popped up

Ooops, we have a bad news...
Please, send this error to @egordorichev.
It is in your clipboard now.

src/carts.lua:51: attempt to index global 'version' (a nil value)

error.lua:39: in function '__index'
src/carts.lua:51: in function 'load'
src/neko8.lua:40: in function 'init'
main.lua:67: in function 'load'
main.lua:399: in function <main.lua:389>
[C]: in function 'xpcall'