Forza 4 DATA DID NOT SYNCH

I have forza 4 on my pc and on my xbox , when i started the game I played it on my Xbox after that i started playing on my pc the progress from the Xbox synched to my pc but all the progress from the pc did not save on my xbox . Why is that , can you please help me !

Please go to https://support.forzamotorsport.net/ and review the Known Issues article, as well as search other articles for your issue. If you can’t find a solution in the available articles please use the link at the bottom of each article to Submit a Ticket so the developers can review it.