Unable to apply Wraps/Paint Jobs

[budpud21]

I'm having the same issue on my ps4 where my wraps won't show up and it's frustrating  me 

PSN ID BUDPUD21  

[BosozukuJDMstyle]

I believe it’s because you have too many cars in the game and I don’t know if slides and also none of slots for wrap customization

[rixon112]

Did anyone get it fixed, because it still doesn't work on my pc?