Error on mouse over one of the backup jobs. (4218517)

Mouse over lower portion of the GUI Console in the Job Manager screen results in exception error:
Exception Information:

Exception: System.NullReferenceException
Message: Object reference not set to an instance of an object.
Stack Trace:
   at Quest.JobManagement.UI.LiteSpeed.TimeLine.TimeLineCtrl.m_toolTipController_BeforeShow(Object sender, ToolTipControllerShowEventArgs e)
   at DevExpress.Utils.ToolTipController.OnBeforeShow(ToolTipControllerShowEventArgs e)
   at DevExpress.Utils.ToolTipController.ShowHint(ToolTipControllerShowEventArgs eShow, Point cursorPosition)
   at DevExpress.Utils.ToolTipController.ShowHint()
   at DevExpress.Utils.ToolTipController.OnInitialTimerTick(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)