FCS null reference exception on right-click of building nodes or node list header

[dodexahedron]

In FCS 2.14.2, the following null reference exception occurs when editing a building, upon right-clicking on the nodes header or any item in the nodes list.

Nodes can be added and their positions edited, but the NRE makes removal impossible.

Code: Select all

System.NullReferenceException: Object reference not set to an instance of an object.
   at forgotten_construction_set.ReferenceList.contextMenu_Opening(Object sender, CancelEventArgs e)
   at System.Windows.Forms.ToolStripDropDown.OnOpening(CancelEventArgs e)
   at System.Windows.Forms.ToolStripDropDown.SetVisibleCore(Boolean visible)
   at System.Windows.Forms.ContextMenuStrip.SetVisibleCore(Boolean visible)
   at System.Windows.Forms.ToolStripDropDown.Show(Control control, Point position)
   at System.Windows.Forms.ContextMenuStrip.ShowInternal(Control source, Point location, Boolean isKeyboardActivated)
   at System.Windows.Forms.Control.WmContextMenu(Message& m, Control sourceControl)
   at System.Windows.Forms.Control.WmContextMenu(Message& m)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ScrollableControl.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)