I've been having this similar problem as well since 10/7 too, the same time you've made this thread.

All my NA characters gave me the 3102 error, even though I've logged off the day before, more than 16 hours between trying to log in again.
My character does not appear to be online, and other players aren't having any problems logging on.
Eventually was able to queue with an alternative character, but then was 3102 when my queue was up.
Another 30 minutes or so went by until I was able to queue up with my character and log in.

Now, morning time, I'm not able to log in after just logging off briefly. All my NA characters are 3102'd again.