We are currently investigating issues some players are having on the megaservers. We will update as new information becomes available.

We are currently investigating issues some players are having with the ESO Store and Account System. We will update as new information becomes available.

In response to the ongoing issue, the North American and European megaservers are currently unavailable while we perform maintenance.
https://forums.elderscrollsonline.com/en/discussion/comment/8235739/

In response to the ongoing issue, the ESO Store and Account System have been taken offline for maintenance.