exception when disconnecting from ib

[cunparis]

I was connected to IQ & Mirus and IB and I disconnected from IB and got an error and in the trace I see this:

2010-07-14 14:12:04:715 (IB) Cbi.Connection.Close9
2010-07-14 14:12:04:715 (IB) Cbi.Connection.ProcessEventArgs.ConnectionStatusEventArgs Disconnected Disconnected NoError 
2010-07-14 14:12:04:721 (IB) Cbi.ConnectionStatusEventArgs.Process: Disconnected Disconnected
2010-07-14 14:12:08:513 in OnUnhandledThreadException
2010-07-14 14:12:08:559 ********* exception trapped *********
2010-07-14 14:12:08:559 Cannot access a disposed object.
Object name: 'Infragistics.Win.UltraWinGrid.UltraGridCell'.
2010-07-14 14:12:08:559    at Infragistics.Shared.DisposableObject.VerifyNotDisposed()
   at Infragistics.Shared.SubObjectBase.NotifyPropChange(PropChangeInfo trigger)
   at Infragistics.Shared.SubObjectBase.NotifyPropChange(Enum propId, PropChangeInfo trigger)
   at Infragistics.Win.UltraWinGrid.UltraGridCell.SetValueInternal(Object value, Boolean suppressErrorMessagePrompt, Boolean fireInitializeRow, Boolean throwExceptionOnError)
   at Infragistics.Win.UltraWinGrid.UltraGridCell.set_Value(Object value)
   at NinjaTrader.Gui.PositionGridDisplay.UpdateProfitLoss(Position position, PositionInfo positionInfo)
   at NinjaTrader.Gui.PositionGridDisplay.OnRealTimeDataUpdated(Object sender, EventArgs e)
   at System.EventHandler.Invoke(Object sender, EventArgs e)
   at NinjaTrader.Cbi.Connection.OnRealtimeDataTimerTick(Object sender, EventArgs e)
   at System.Windows.Forms.Timer.OnTick(EventArgs e)
   at System.Windows.Forms.Timer.TimerNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

I'm not sure if I should restart or not, ninja appears to be working still. I can send the complete trace via email if you like.

[NinjaTrader_ChristopherJ]

Hello cunparis,

Thank you for your post.

Yes please forward your log and trace files to Support [AT] NinjaTrader [DOT] com with "ATTN: Chris" in the subject line.

In the message, please include the following:
1.) A link to this forum thread.
2.) Your most current trace and log files.

You will find the file here: My Documents > NinjaTrader 7 > Trace > trace.YYYYMMDD.txt

Log file will be located by going to Documents->NinjaTrader 7->Log->log.YYYYMMDD.txt

I look forward to assisting you further with this issue.