Hi I have just got this error message when shutting down elephant

OS: Microsoft Windows NT 5.1.2600 Service Pack 3
.NET Runtime: 2.0.50727.1433
RAM: 4GB
Processors: 1
CPU: x86 Family 15 Model 47 Stepping 2: 0/32/2, 1808

Software version: 0.67

(10) Log: 15:01:11.96 -- Logfile set: C:\Documents and Settings\Administrator\Local Settings\Application Data\PokerStrategy\Elephant\log.txt
(10) Log: 15:01:12.00 -- Logfile cleared: C:\Documents and Settings\Administrator\Local Settings\Application Data\PokerStrategy\Elephant\log.txt
(10) Log: 15:17:04.62 -- SELECT * FROM gamesequence WHERE game_ID='1563962476' AND player_ID='5487' AND NOT (action IN ('chat')) ORDER BY sequence ASC
(10) Log: 15:17:05.76 -- , line 0: System.InvalidOperationException: There is already an open DataReader associated with this Command which must be closed first.
at Npgsql.NpgsqlCommand.CheckConnectionState()
at Npgsql.NpgsqlCommand.GetReader(CommandBehavior cb)
at Npgsql.NpgsqlCommand.ExecuteReader(CommandBehavior cb)
at Npgsql.NpgsqlCommand.ExecuteReader()
at PBN.Database.PostgreSQL.ExecuteQuery(String in_sQuery)
(10) , line 0: System.InvalidOperationException: There is already an open DataReader associated with this Command which must be closed first.
at Npgsql.NpgsqlCommand.CheckConnectionState()
at Npgsql.NpgsqlCommand.GetReader(CommandBehavior cb)
at Npgsql.NpgsqlCommand.ExecuteReader(CommandBehavior cb)
at Npgsql.NpgsqlCommand.ExecuteReader()
at PBN.Database.PostgreSQL.ExecuteQuery(String in_sQuery)


I reopened elephant and it seems to be working fine