Save as rFactor what need?

[Barbje_Keller]

Hy all
I have a question, I made my track and want convert it to original RBR format. But first I need save it to rFactor. But i don't have any skill with this game, and don't know what properties it need.
When I try save it as rFactor track, I always have error :

Can't export Object reference not set to instance of an object

What I should do?
...sorry my english is terrible umpkin:

 

[James Capper]

sometimes, if you have mods installed on rfactor they can cause problems with BTB.
but it should work straight away because everything you need is copied across to rfactor
as soon as you export it....failing that uninstall rfactor... once you have uninstalled the game go to the rfactor folder and delete it from your drive before reinstalling rfactor or it will just do the same thing agin.
Once reinstalled try exporting your track again.