That sounds encouraging that they are discussing it with you and at least have given you some idea why they suspended the account.
Not sure abut the legality but there is a chance that their terms do say a debt to any group entity is collectable by others. Either way best to clear up whatever the problem is anyway, to avoid any nasty surprises like this in the future.
Not sure abut the legality but there is a chance that their terms do say a debt to any group entity is collectable by others. Either way best to clear up whatever the problem is anyway, to avoid any nasty surprises like this in the future.