Maintenance for the week of July 13:
• PC/Mac: No maintenance – July 13
The issues on the North American and European PlayStation® megaservers have been resolved at this time. If you continue to experience difficulties at login, please restart your client. Thank you for your patience!
I used the Support Knowledge Base search and found this:
In order to set up a recurring ESO Plus membership via PayPal, you will need to verify your PayPal account through a bank account or with credit card first. If you are unable to use a credit card to verify your PayPal account, please contact PayPal support for further assistance.