Have a similar issue re Stuart's post Sync with Garmin Map96 with a Garmin 296.
Retrieving log to Garmin's Flightbook (version 2.5.1) works fine.
Any (positive ) suggestions gratefully received.
Thanking you in anticipation.

First retrieval attempt: -
System.ArgumentOutOfRangeException: The added or subtracted value results in an un-representable DateTime.
Parameter name: t
at System.DateTime.op_Addition(DateTime d, TimeSpan t)
at Divelements.SkyDemon.Analysis.xd75bb219d46ac4c4.xce3a57149e07a4f3()
at Divelements.SkyDemon.Analysis.xd75bb219d46ac4c4.x340c43addd945fd2()
at Divelements.SkyDemon.Analysis.xf5f8bc61a3435706.GetCellValue(GridColumn column)
at Divelements.SandGrid.GridRow.DrawCells(RenderingContext context, Rectangle bounds, GridColumn[] columns, TextFormattingInformation[] textFormats)
at Divelements.SandGrid.GridRow.DrawRowForeground(RenderingContext context, Rectangle bounds, GridColumn[] columns, TextFormattingInformation[] textFormats)
at Divelements.SandGrid.InnerGrid.x14295bd0cde2ff5d(RenderingContext x0f7b23d1c393aed9, Boolean x48d1c33294a7dd40)
at Divelements.SandGrid.InnerGrid.x7f63857195e5d213(RenderingContext x0f7b23d1c393aed9)
at Divelements.SandGrid.SandGridBase.OnPaint(PaintEventArgs e)
at System.Windows.Forms.Control.PaintWithErrorHandling(PaintEventArgs e, Int16 layer, Boolean disposeEventArgs)
at System.Windows.Forms.Control.WmPaint(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at Divelements.SandGrid.SandGridBase.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativewindow.WndProc(Message& m)
at System.Windows.Forms.Nativewindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

Second retrieval attempt: -


Edited 03Mar2013 19.29 to correct link to Stuart's post