When you close SAS Enterprise Guide, you might see the following error if the Program or Log tab of an active program is not selected:

Object reference not set to an instance of an object.

-------------------------- Technical Information Follows --------------------------

Exception Details:
----------------------------------------
Exception type:  System.NullReferenceException
Message:         Object reference not set to an instance of an object.
Source:          SAS.EG.Application
Target Site:     OnTabIndexChanged

Stack Trace:
   at SAS.EG.ContentPanel.OnTabIndexChanged(Object sender, EventArgs e)
   at SAS.EG.ContentPanel.RemoveViewPanel(ContentViewPanel viewPanel)
   at SAS.EG.ContentPanel.OnViewPanelClosed(Object sender, FormClosedEventArgs e)
   at System.Windows.Forms.FormClosedEventHandler.Invoke(Object sender, FormClosedEventArgs e)
   at SAS.EG.ContentViewPanel.Close()
   at SAS.EG.ContentViewPanel.ValidateElementView()
   at SAS.EG.ContentPanel.OnTabIndexChanged(Object sender, EventArgs e)
   at System.Windows.Forms.TabControl.OnSelectedIndexChanged(EventArgs e)
   at System.Windows.Forms.TabControl.WmSelChange()
   at System.Windows.Forms.TabControl.set_SelectedIndex(Int32 value)
   at SAS.EG.ContentPanel.RemoveViewPanel(ContentViewPanel viewPanel)
   at SAS.EG.ContentPanel.OnViewPanelClosed(Object sender, FormClosedEventArgs e)
   at System.Windows.Forms.FormClosedEventHandler.Invoke(Object sender, FormClosedEventArgs e)
   at SAS.EG.ContentViewPanel.Close()
   at SAS.EG.ContentViewPanel.ValidateElementView()
   at SAS.EG.ContentPanel.OnTabIndexChanged(Object sender, EventArgs e)
   at SAS.EG.ContentPanel.set_SuspendElementLoading(Boolean value)
   at SAS.EG.MainForm.CleanUpAfterProject()
   at SAS.EG.MainForm.CloseProject()
   at SAS.EG.MainForm.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)

Click the Hot Fix tab in this note to access the hot fix for this issue.

Operating System and Release Information

A fix for this issue for SAS Enterprise Guide 7.13 is available at: