At the time below, we experienced technical difficulties which prevented payments made with PayPal accounts on the Square Enix Account Management System.
We are pleased to announce that the issue has been addressed, and apologise for any inconvenience this may have caused.
[Date & Time]
From Feb. 6, 2018 20:58 (GMT) to Feb. 8, 9:48 (GMT)
・Square Enix Account Management System
Source:: Final Fantasy XI