Mercury Emulator v3.2.1 NOT WORK

Emu not work ...
Client stop 87%.

This is a screenshot
https://forum.ragezone.com/cache.php...p5%2Ferror.png

This is the error log:

Code:

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Couldn't log user: System.InvalidCastException: Specified cast is not valid.
  at Mercury.HabboHotel.Users.Authenticator.HabboFactory.GenerateHabbo(DataRow UserRow, DataRow StatsRow, HashSet`1 Groups) in c:\Users\Administrator\Desktop\Mercury 3.2.1\Mercury\HabboHotel\Users\Authenticator\HabboFactory.cs:line 26
  at Mercury.HabboHotel.Users.UserDataManagement.UserDataFactory.GetUserData(String sessionTicket, String ip, Byte& errorCode) in c:\Users\Administrator\Desktop\Mercury 3.2.1\Mercury\HabboHotel\Users\UserDataManagement\UserDataFactory.cs:line 366
  at Mercury.HabboHotel.GameClients.GameClient.TryLogin(String AuthTicket) in c:\Users\Administrator\Desktop\Mercury 3.2.1\Mercury\HabboHotel\GameClients\GameClient.cs:line 156

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Please, help me D:

Sorry for my english but I'm italian ...

PS: Online counter is bug