Maintenance for the week of January 5:
• PC/Mac: No maintenance – January 5
• NA megaservers for maintenance – January 7, 4:00AM EST (9:00 UTC) - 10:00AM EST (15:00 UTC)
• EU megaservers for maintenance – January 7, 4:00AM EST (9:00 UTC) - 10:00AM EST (15:00 UTC)
As mentioned above, error 307 indicates you've been disconnected from the server, which can sometimes be for inactivity. When this happens, you should wait for a period of 15-20 minutes before attempting to login again. You are welcome to send in feedback on this error with a ticket here.