Error when trying to track test (very) fast cars

I get an error when I try to track test fast cars. It seems to be cars that have a 0-100 of near 4 seconds and below.

After the error, the game still works except you can’t track test anything until you restart the game.

It says lua Error
428: attempt to perform arithmetic on field ‘?’ (a nil value)


Not happening on my quick acceleration cars.