Stuck on chapter 8 missions

So I played need for speed rivals a lot but I just come across this issue while trying to complete chapter 8 of the police playlist the one where you unlock the Koenigsegg, it won’t let me advance I’ve done the challenge over 13 times being able to unlock every variant of the police car yet it still says (complete any 3 hard races gold) I just want my Hennessy venom gt cop car can yall help me out please