Plus emu error - help me

[MirkoSS]

Hello,
i have error on plus by sledmore rev 2.

2017-04-09 11:52:31,840 ERROR - Exception >> Exception:
System.InvalidCastException: Unable to cast to type 'System.Int32 objects' on the type 'System.String'.
   in Plus.HabboHotel.Users.UserData.UserDataFactory.GetUserData(String SessionTicket, Byte& errorCode) in C:\Users\Administrator\Desktop\HappyEMU - Marzo\HabboHotel\Users\UserData\UserDataFactory.cs:riga 190
   in Plus.HabboHotel.GameClients.GameClient.TryAuthenticate(String AuthTicket) in C:\Users\Administrator\Desktop\HappyEMU - Marzo\HabboHotel\GameClients\GameClient.cs:riga 99

The code on C#

            Dictionary<string, Subscription> subscriptions = new Dictionary<string, Subscription>();
            foreach (DataRow dataRow in Subscriptions.Rows)
            {
                string str = (string)dataRow["subscription_id"];
                int TimeExpire = (int)dataRow["timestamp_expire"];
                subscriptions.Add(str, new Subscription(str, TimeExpire));

@Sledmore