had a simillar issue here, but in my case the session got hung after extraction complete, and i need to force close the game, after i re-open the game every progression from the last session which is the session that got hung, are listed and i recive it all, but not with the cars, i got extracted jv cars at that session and from the progression screen i also got the notice that i recive the car but when i search my car list that i owned and sort it by the manufacture, it gone, the contract menu also showing that i already get the cars from lockdown but not in my car list
been asking help to ea help, but it seems an hopeless case they just want us to re grind again