Can you try follow this guide?
Link your Account How To
In any case would be helpfull to know the Player/Account name of the empty account as well the one for the account with your progress to investigate what went wrong.
Can you try follow this guide?
Link your Account How To
In any case would be helpfull to know the Player/Account name of the empty account as well the one for the account with your progress to investigate what went wrong.