I had stacked the lyrics and track info in the sidebar as tabs. Upon clicking a tab this happened,
MusicBee v3.0.5818.39503 (Win6.3), 7 Dec 2015 18:24:
System.IndexOutOfRangeException: Index was outside the bounds of the array.
at MusicBee.MusicBeeMain.#=qY8E9aHu2sVJAy83O_rFCoxSrD1jM3cx$1Tg2IK$ot_k=(#=qC2$DhMLuRafdreXiqJBBsDcDUDIpADsFcUtIcIwv2h4= #=qbZFv7CApYkKJqiiBBegDaQ==, Point #=qmgo5AACuFLL51RyrMlogpw==, Int32 #=qwOos3oiBSl1ykhaGKkMkPQ==, Int32 #=qFH89WFe$H3SnUi8VgRNCqg==)
at MusicBee.MusicBeeMain.#=qyxva8Lh0T7BQuD$QruLQ673lKGZSv40Jxl6aNLf1j0g=.OnMouseClick(MouseEventArgs #=qzdB1ewEyA2jv219GLtsT2g==)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
at System.Windows.Forms.Form.WndProc(Message& m)
at #=qp_CThkkICUE1s$oucqn6AzwtV38FOg_tW1ywMlnCczg=.WndProc(Message& #=qrvG08clM2N8qob6nb8Hacw==)
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)