90000 is a server disconnect. It could happen for numerous reasons. The 90000 problem from before (Phase 4, Open Beta) was when the server thought you were active in a duty and when you tried to connect to the duty server is refused it and you disconnected because of that.
90000 will always exist, unless they rename it.
But, moving on. I was disconnected while in Costa del Sol last night and couldn't reconnect for about 5 minutes. The game loader wouldn't start up. Not sure if it was my connection or a hiccup, but it was the only issue I've had all weekend so far.
Can't sleep, clown will eat me.