System.NullReferenceException: Object reference not set to an instance of an obj

[Bill.YEG]

MusicBee v3.2.6827.32939 (Win10.0), 5 Dec 2018 18:56:

System.NullReferenceException: Object reference not set to an instance of an object.
   at #=zxi2ztvXlrgvl0YoLwsbUcbLajWOM.#=zqzi8_Rg425Xk.#=znWFbr4Lpor066w3dDA==(#=zPj3zSCVT$pxiLPqsI8VmZIo= #=zlxDqv8o=)
   at #=zxi2ztvXlrgvl0YoLwsbUcbLajWOM.#=zqzi8_Rg425Xk.#=zrut4z7A=(Boolean #=zSsny_L8=)
   at #=zxi2ztvXlrgvl0YoLwsbUcbLajWOM.#=zF69e1IHl7Zsd(Boolean #=zCc0nmk4=, TagManagerCategory #=z$7uKBzk=)
   at #=zxi2ztvXlrgvl0YoLwsbUcbLajWOM.#=ztGTk4qY=(ApplicationCommand #=zN73LFGQ=, Object #=zvjhEk0M=, #=zybzvnKL$ZVeyFiPr$5UX_kU= #=zIetN1Uk=)
   at #=zl3G$ts$_9zIRoQdlmns30$2c9Koz.#=zV0WcPWU=.#=z9io6C7o=(ApplicationCommand #=zN73LFGQ=, Object #=zvjhEk0M=, IList`1 #=zIetN1Uk=)
   at #=z_cm1oMpBo2F9CBp_vkLu0Ek=.OnClick(EventArgs #=zOgU54LA=)
   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)

[Steven]

Try updating to the latest version on the downloads page in case its already solved.