Error, "Object reference not set to an instance..." when altering SQL Server 2000 or 2012 table (4231933)

When altering a SQL Server 2000 or 2012 table, the following error occurs:

System.NullReferenceException
Object reference not set to an instance of an object.
Stack Trace:
   at Quest.Toad.SqlServer.Doe.Tables.TableEditForm.GetScript()
   at Quest.Toad.Doe.BaseDoeForm.UpdateScript()
   at Quest.Toad.Doe.BaseDoeForm.selectPageList_SelectedValueChanged(Object sender, EventArgs e)
   at DevExpress.XtraEditors.BaseListBoxControl.RaiseSelectedValueChanged()
   at DevExpress.XtraEditors.BaseListBoxControl.OnSelectionChanged()
   at DevExpress.XtraEditors.BaseListBoxControl.SelectedIndexCollection.Changed()
   at DevExpress.XtraEditors.BaseListBoxControl.SelectedIndexCollection.Set(Int32 value)
   at DevExpress.XtraEditors.ListBoxControlHandler.SingleSelectState.SetSelectedIndex(Int32 newIndex)
   at DevExpress.XtraEditors.ListBoxControlHandler.OnSetSelectedIndex(Int32 newIndex)
   at DevExpress.XtraEditors.BaseListBoxControl.SetSelectedIndexCore(Int32 index)
   at DevExpress.XtraEditors.BaseListBoxControl.set_SelectedIndex(Int32 value)
   at DevExpress.XtraEditors.ImageListBoxControl.SetItemCore(Object item)
   at DevExpress.XtraEditors.BaseListBoxControl.OnSetItem(Object item)
   at DevExpress.XtraEditors.BaseListBoxControl.set_SelectedItem(Object value)
   at Quest.Toad.Doe.BaseDoeForm.set_ActivePage(DoePageControl value)
   at Quest.Toad.Doe.BaseDoeForm.buttonPanelControl_OKButtonClick(Object sender, EventArgs e)
   at Quest.Toad.Controls.ButtonPanelControl.DoOkButtonClicked(Object sender, EventArgs args)
   at System.Windows.Forms.Control.OnClick(EventArgs e)
   at DevExpress.XtraEditors.BaseButton.OnClick(EventArgs e)
   at DevExpress.XtraEditors.BaseButton.OnMouseUp(MouseEventArgs e)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at DevExpress.Utils.Controls.ControlBase.WndProc(Message& m)

WORKAROUND:
None.

STATUS:
Waiting for a fix in a future release of Toad Data Point.