Package Error: Object reference not set to an instance of an object@ EPM 10/ Addin - SP20

Hi all

While running Data Manager Package, We have received following message and please share if you have had encouter similar.

See the end of this message for details on invoking
just-in-time (JIT) debugging instead of this dialog box.

************** Exception Text **************
System.NullReferenceException: Object reference not set to an instance of an object.
   at FPMXLClient.DataManager.UI.Forms.PackageStatusDialog.CmdDetail(Object sender, EventArgs e) in d:\Olympus_100_REL_XLCLIENT\src\FPMXLClient\src\UILayer\DataManagerUI\Forms\PackageStatusDialog.cs:line 411
   at FPMXLClient.UILayer.Classes.UIListViewDecorator`1.m_listView_MouseDoubleClick(Object sender, MouseEventArgs e) in d:\Olympus_100_REL_XLCLIENT\src\FPMXLClient\src\UILayer\UI\Classes\ListView\UIListViewDecorator.cs:line 93
   at System.Windows.Forms.Control.OnMouseDoubleClick(MouseEventArgs e)
   at System.Windows.Forms.ListView.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(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)

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System Info:

Windows 7/32bit

BW 7.31

CPMBPC 801 SP07

Appreciate your time and  help in advance

Thanks

V