You might find the support site faster for assistance, nobody here on this forum including the Moderators can assist with your issue, so check here:

https://support.na.square-enix.com/c...p?id=5382&la=1

Login and select In-game > GM services and type a brief explanation like "character stuck in-game and cannot login, please assist" and they will get back to you asap to confirm details of the character/world etc