error message when creating a new filter

[hiccup]

While right-clicking in the navigator panel to create a new filter:

edit:
It happens specifically when right-clicking on the 'No Filter' entry.

Code

MusicBee v3.0.5895.37007 (Win10.0), 22 feb 2016 18:22:

System.NullReferenceException: Object reference not set to an instance of an object.
   at MusicBee.MusicBeeMain.#=q6hPdjSJpzIAUBdy7uiDX7g==.#=qDLoU8b5v0jH1NS_cCRlvMjZWzrwSFb4YBs_3rCFWUFc=(Object #=qhA70CbiiRJfEnvZn_T_dLQ==, ToolStripDropDownClosingEventArgs #=qrl$a7CFSKozR4D1saA3SOQ==)
   at System.Windows.Forms.ToolStripDropDown.OnClosing(ToolStripDropDownClosingEventArgs e)
   at System.Windows.Forms.ToolStripDropDown.SetVisibleCore(Boolean visible)
   at System.Windows.Forms.ContextMenuStrip.SetVisibleCore(Boolean visible)
   at System.Windows.Forms.ToolStripDropDown.OnItemClicked(ToolStripItemClickedEventArgs e)
   at System.Windows.Forms.ToolStrip.HandleItemClick(ToolStripItem dismissingItem)
   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]

i cant reproduce this but i have put in some handling for the condition that is somehow being triggered

[Steven]

http://musicbee.niblseed.com/V3_0/MusicBee3_Patched.zip

[hiccup]

Confirming that this patch fixed it.