Erro Critical Login

Bug duing user login: System.OverflowException: Opera??o aritm?tica resultou em um estouro.
em Silverwave.HabboHotel.Support.SupportTicket.Serialize(ServerMessage Message) na C:\Users\Leo\Downloads\Graphic3\GraphicVersion07.05.2014\Graphic\HabboHotel\Support\SupportTicket.cs:linha 199
em Silverwave.HabboHotel.Support.ModerationTool.SerializeTool() na C:\Users\Leo\Downloads\Graphic3\GraphicVersion07.05.2014\Graphic\HabboHotel\Support\ModerationTool.cs:linha 42
em Silverwave.HabboHotel.GameClients.GameClient.tryLogin(String AuthTicket) na C:\Users\Leo\Downloads\Graphic3\GraphicVersion07.05.2014\Graphic\HabboHotel\GameClients\GameClient.cs:linha 262