Character name: Shinumade Kurushimu

Server name: Leviathan

Location: Highbridge, Eastern Thanalan

Time: Roughly 10 minutes before this post

Random disconnect right before talking to a quest NPC. First error was 10102 followed by 90000 with a mix of 10102 still in between. Was able to log in for a few moments before the maintenance message came up, then go disconnected with a 90000. Haven't attempted any further log-ins since.