Maintenance for the week of March 16:
• PC/Mac: No maintenance – March 16
• ESO Store and Account System for maintenance – March 18, 6:00AM EDT (10:00 UTC) - 4:00PM EDT (20:00 UTC)
Did you get the automated email? Did you respond to it? When does this error occur -- upon character selection I assume?
Did you consider posting in help forum?