vSRO Yardım OnSR_ENTERGAME_ACK() - DC Char

I received it at SR_ShardManager :

OnSR_ENTERGAME_ACK() - An error returned from GAMESERVER [fsadfsf >> error_code: 22]
msg is not completely used : IP:xxx.xxx.xxx.xxx . Ack:0x0003 (0x0000) (MsgType:11), 14 - 1

I received it at SR_GameServer :

SR_READY_TO_PLAY, Game::EnterWorld() failed!! [JID: 6925]

Someone has attacked my server, please help me! That could be a new exploit !