has my son lost his year's worth of cars on horizon 3

As far as I know, GTA redeems for in-game currency which is then used to buy things in game

You'll need to contact Rockstar support

https://support.rockstargames.com/

hi Sanana94 thanks for giving me a reply , what my problem is , a friend plays under the same gamertag [ my acct] he has always played off line as he has had no internet acess, now in the last week internet has become available at his adress and of course
his console thinks i have 2 consoles , he has gone online under my gamertag and this has caused my syncing to play up , i have lost completed game data for horizon 3 forza 5 , and 4 mths worth of gaming for forza 7 , forza 6 seems ok forza horizon 3 and forza
5 have gone back to the start of game screen and forza 7 is showing data from 4 mths ago i have not tried farcry 5 or other games yet to see if they have also lost data , is there anyway i can recoder data from the cloud that has gone missing ? it seems as
if his machine is over writing my cloud saves or something , very desperate as have lost yrs worth of playing , over 200 cars in forza alone . thank you any one who may be able to help me

Need more specifics. ALL cars? Whole garage empty? Anyway sign out of your account. Next delete your account off of that game console. restoring back to factorysettings. Everything the account has is stored in the Cloud. Do a hard reboot un connect all
wiring to and from power pack, wait for light to go out before hooking up everything and doing a hard power up swip your thumb on console button do not use controller. Everything done loading power controller on and sign in to a new console with your Outlook.com
info. Hope that helped if not the cars where sold at auction.

I'm guessing that it hasn't been fixed since my son just lost all his credits, car upgrades, barn finds, etc.

Hey Nozzle, thank you so much for the quick reply My son has now found his new cars. Many thanks again wish you a happy new year Jon & Rowan