BcStorm, little help with sessionTicket/authTicket

Code:

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TokenID: 0Invalid Dario bug duing user login: System.InvalidCastException: Specified cast is not valid.
  at Butterfly.HabboHotel.Users.Authenticator.HabboFactory.GenerateHabbo(DataRow dRow, DataRow group) in d:\BcStorm\EMU\Butterfly\HabboHotel\Users\Authenticator\HabboFactory.cs:line 30
  at Butterfly.HabboHotel.Users.UserDataManagement.UserDataFactory.GetUserData(String sessionTicket, String ip, Byte& errorCode) in d:\BcStorm\EMU\Butterfly\HabboHotel\Users\UserDataManagement\UserDataFactory.cs:line 288
  at Butterfly.HabboHotel.GameClients.GameClient.tryLogin(String AuthTicket) in d:\BcStorm\EMU\Butterfly\HabboHotel\GameClients\GameClient.cs:line 241

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I don't get the error, anyone have a clue whats wrong?

bump.