Board Thread:Game Discussion/@comment-2003:EE:BC4:8900:6873:E755:C872:A831-20180511145754/@comment-46.166.139.35-20180512035712

Probably a sign in issue. I've got one tablet (for whatever reason) signs me out frequently. If it was an upgrade or save/restore issue, it would most likely just affect the particular car involved, not all TT's.