error.log

Error: Object reference not set to an instance of an object.
Version: AGS 3.6.0.48

System.NullReferenceException: Object reference not set to an instance of an object.
   at WeifenLuo.WinFormsUI.Docking.DockContentHandler.SetDockState(Boolean isHidden, DockState visibleState, DockPane oldPane)
   at WeifenLuo.WinFormsUI.Docking.DockContent.Hide()
   at AGS.Editor.WindowsMenuManager.DockPane_CheckedChanged(Object sender, EventArgs e)
   at System.Windows.Forms.ToolStripMenuItem.OnCheckedChanged(EventArgs e)
   at System.Windows.Forms.ToolStripMenuItem.set_CheckState(CheckState value)
   at System.Windows.Forms.ToolStripMenuItem.set_Checked(Boolean value)
   at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e)
   at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)
   at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)
   at System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met)
   at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met)
   at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)
   at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   at System.Windows.Forms.ToolStrip.WndProc(Message& m)
   at System.Windows.Forms.ToolStripDropDown.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)