(beep-media-player-2-bin:17544): Gtk-CRITICAL **: _gtk_tree_view_find_path: assertion `node != NULL' failed (beep-media-player-2-bin:17544): Gtk-CRITICAL **: _gtk_tree_view_find_path: assertion `node != NULL' failed (beep-media-player-2-bin:17544): Gtk-CRITICAL **: gtk_tree_path_compare: assertion `b->depth > 0' failed (beep-media-player-2-bin:17544): Gtk-CRITICAL **: gtk_tree_path_compare: assertion `b->depth > 0' failed