[SCENE]         [12-24 05:45:28] Failed with exception System
ion: Value cannot be null.
Parameter name: key
   at System.ThrowHelper.ThrowArgumentNullException(Exception
   at System.Collections.Generic.Dictionary`2.FindEntry(TKey
   at System.Collections.Generic.Dictionary`2.get_Item(TKey k
   at MySql.Data.MySqlClient.CharSetMap.GetChararcterSet(DBVe
ng CharSetName)
   at MySql.Data.MySqlClient.NativeDriver.GetFieldMetaData41(
   at MySql.Data.MySqlClient.NativeDriver.GetFieldMetaData()
   at MySql.Data.MySqlClient.NativeDriver.ReadColumnMetadata(
   at MySql.Data.MySqlClient.MySqlDataReader.NextResult()
   at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader(Comma
)
   at MySql.Data.MySqlClient.MySqlCommand.ExecuteNonQuery()
   at OpenSim.Framework.Data.MySQL.MySQLDataStore.StoreTerrai
UUID regionID)
   at OpenSim.Region.Environment.Scenes.Scene.UpdateTerrain()
   at OpenSim.Region.Environment.Scenes.Scene.Update()
[TERRAIN]       [12-24 05:45:28] Scene.cs: LoadWorldMap() - F
n System.ArgumentNullException: Value cannot be null.
Parameter name: key
   at System.ThrowHelper.ThrowArgumentNullException(Exception
   at System.Collections.Generic.Dictionary`2.FindEntry(TKey
   at System.Collections.Generic.Dictionary`2.get_Item(TKey k
   at MySql.Data.MySqlClient.CharSetMap.GetChararcterSet(DBVe
ng CharSetName)
   at MySql.Data.MySqlClient.NativeDriver.GetFieldMetaData41(
   at MySql.Data.MySqlClient.NativeDriver.GetFieldMetaData()
   at MySql.Data.MySqlClient.NativeDriver.ReadColumnMetadata(
   at MySql.Data.MySqlClient.MySqlDataReader.NextResult()
   at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader(Comma
)
   at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader()
   at OpenSim.Framework.Data.MySQL.MySQLDataStore.LoadTerrain
   at OpenSim.Region.Environment.Scenes.Scene.LoadWorldMap()