Here is a list of all the error codes from the 9Dragons page. If you have any questions, please send in a DQA.
1: Transfer successful.
2: Wrong GamesCampus ID
3: Invalid GamesCampus ID
-1: Database Error
-92: Invalid UserID or User Password
-93: Nirvana characters transferred, Phoenix characters must be transferred through another account.
-94: Nirvana characters previously transferred, Phoenix characters must be transferred through another account
-95: GamersFirst ID not opted for transfer
-96: GamersFirst ID password invalid. Try a previous GamersFirst password.
-97: Wrong GamersFirst password
-98: Given GamersFirst account claimed for transfer by another GamesCampus User ID.
-99: Given GamersFirst account claimed for transfer by another GamesCampus User ID.