Maintenance for the week of May 25:
• PC/Mac: No maintenance – May 25
• ESO Store and Account System for maintenance – May 27, 6:00AM EDT (10:00 UTC) - 4:00PM EDT (20:00 UTC)
Please see this article for information on Error 307. If this error has continued to persist since the time of your post, then please open up a support ticket with us and we would be happy to investigate this for you.