in the related branch lp:~jabiertxof/inkscape/0.49.x+SpiroLive+BSpline this error raise when deleting some nodes and move a handle over all segment various times.
in the related branch lp:~jabiertxof/inkscape/0.49.x+SpiroLive+BSpline this error raise when deleting some nodes and move a handle over all segment various times.