Got this while removing an album art

[OrthoCube]

When I click "Remove" on an album art image, I get this on specific files:

Code

MusicBee v3.1.6487.33198 (Win10.0), 6 10 2017 21:28:

System.ArgumentOutOfRangeException: インデックスが範囲を超えています。負でない値で、コレクションのサイズよりも小さくなければなりません。
パラメーター名:index
   場所 System.ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument argument, ExceptionResource resource)
   場所 #=qyaeUycRj8K9qWvR5qs6naeYyAQLOyJDJaWL8a_w9vu0=.#=qwAVlP19H_v_InQY2yI28zjbNTq$QZ48$c5wGETdi4Gs=(Object #=qXTDb6yElW5RmgnwkGKdhkw==, EventArgs #=qk3agvixRa2vuOl0s_37wJA==)
   場所 System.Windows.Forms.Control.OnClick(EventArgs e)
   場所 #=qJoOtJSxSGvuDg9At3gxqwCXhe4QtwnnSFG$5yycShTc=.OnClick(EventArgs #=qQ7SXPEl1oWNTWkpd3MsuOw==)
   場所 System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   場所 System.Windows.Forms.Control.WndProc(Message& m)
   場所 System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   場所 System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   場所 System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

If I translate this to English....

Code

MusicBee v3.1.6487.33198 (Win10.0), 6 10 2017 21:28:

System.ArgumentOutOfRangeException: Index is out of bounds. The index should be smaller than the size of the collection.
Parameter name:index
   Location System.ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument argument, ExceptionResource resource)
   Location #=qyaeUycRj8K9qWvR5qs6naeYyAQLOyJDJaWL8a_w9vu0=.#=qwAVlP19H_v_InQY2yI28zjbNTq$QZ48$c5wGETdi4Gs=(Object #=qXTDb6yElW5RmgnwkGKdhkw==, EventArgs #=qk3agvixRa2vuOl0s_37wJA==)
   Location System.Windows.Forms.Control.OnClick(EventArgs e)
   Location #=qJoOtJSxSGvuDg9At3gxqwCXhe4QtwnnSFG$5yycShTc=.OnClick(EventArgs #=qQ7SXPEl1oWNTWkpd3MsuOw==)
   Location System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   Location System.Windows.Forms.Control.WndProc(Message& m)
   Location System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   Location System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   Location System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

[Steven]

did you only remove an existing picture? eg. did you add one first and then remove it, or do some other action before removing a picture

edit:
trying now i cant reproduce this so i will need some steps from you in order to reproduce this