Well this is sux...got the latest patch, login and it prompted me this
"There are no valid service accounts.
A valid service account is required to use this service.
Please add or reactivate a service account from the Square Enix Account Management System. "
Evertyhing was ok before this, registered and bought 2000 crysta. Played the game for a couple of days till this last patch that dooms everything. Complained to customer service and expecting them to reply in about 2 to 3 days time. Well, for what i can say, well done SE..
you can take your registration system for your own staff use. Then let us pay for it then you play.