Yes, Send To File Rescan always results in an error. Checking other options on the right-click menu, all seem to work with the exception of those under Send To.
For me 'file rescan' does work, but 'send to folder' doesn't, I get this error when I try to do that;
~~~
MusicBee v3.0.5758.39706 (Win10.0), 9 Oct 2015 6:36:
System.InvalidCastException: Unable to cast object of type '#=qCP83_pTz6f3uxtMaECWOqWA7Cpy2Kt9WDxAjd2kRCu4hCTyRAT3XeqwLZXMKxCFE' to type '#=qpcLAdeRqss4mtsTAmm7KUOUIIA6q3trGfjJkQSnnMi8='.
at #=qpcLAdeRqss4mtsTAmm7KUOUIIA6q3trGfjJkQSnnMi8=.#=qh_iXK2E_8M1IJBd9kOFIfJv_efVsgDq8zTGPjA_YCnI=.OnClick(EventArgs #=qZHPfU5x28VEZVc9gW9PYIQ==)
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)
~~~
By the way, I was just looking over some playlists and the view mode was stuck in track details, I couldn't change it. Anyone else?