Single Race Drivers numbers?

[SVPSkins]

Hi guys,

I'm having a little trouble setting up a Single Race.

I was trying to set up a Single Race today and in the "Rules" tab, it allows you to set how many Drivers you want in each race, yet in my game it's set to 0 Drivers everytime, i try and increase the number of Drivers, but it won't let me go above 0 Why?

 

[JR98]

Are you setting it up when you’ve already loaded the track? Because if you set it to 0 while on track you can only add AI if you do it in the free play menu