Maintenance for the week of December 8:
• [COMPLETE] ESO Store and Account System for maintenance – December 10, 9:00AM EST (14:00 UTC) - 12:00PM EST (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.