[Bug report]

_Cursed-UG_/data.lua:9:
_Cursed-UG_/prototypes/entities/cursed-rail-ug.lua:44:attempt to index feild ´rail´(a nil value)

Factorio 0.12.33

Tried to fix it myself but I just suck at lua. I don´t think it´s worth an update now, I would wait until 0.12.0 (if the error persists)

I have to say, I have a few issues with this mod. I feel like you are meant to place the portal after having finished the vanilla game, because sustaining the portal and simultaneously conducting research and expanding your factory is nearly impossible. I think this takes away from the intended expe...