I have a fix for ps4, its bull***t and a lot of you will not like it, but it worked for me. For the record i am gamesharing so i have a friend who has downloaded a copy of my game from my account, and i have had ea access so i played the game 3 days before launch.
I have had this problem for over 2 weeks, tried ea support but i might as well of talked to a brick wall. so what i did was copy my data to the ps cloud (or usb) just incase ea fixed this. However due to them not caring/unable to i decided to play around with what i can do. I deleted my game save to try play the game again, i got the same error. I cleared my caches on the ps4, with mixed results. It would load online sometimes on a new save but it wasnt consistent, then to finally fix the issue i restored the licenses and the game with a fresh save and it started working fine. Yes i started again but i caught up with my 70h save and surpassed it as i knew this wouldn't get fixed.
Its not much of a fix, however if ea have stopped the cause of the corrupting game save now it will work. In future ea, for consoles please for the love of god f*** off with your cloud saving b****t. It doesn't work and its pointless, there are no mods/traines etc on consoles and it just dosent work so theres no point to having it.
Hope this helps someone.