Maintenance for the week of March 9:
• [COMPLETE] ESO Store and Account System for maintenance – March 11, 9:00AM EDT (13:00 UTC) - 1:00PM EDT (17:00 UTC)
Ugh, this seems to be a recurring issue with consoles. I'd suggest sending support some proof of purchase and I'm sure they will clear it up for you.
I'm on PC, but I really hope they find the culprit of this issue.