Very good addon, but throw exception: "java.lang.ClassCastException: org.va

Directory V-Leaflet-Draw
1

Very good addon, but throw exception: “java.lang.ClassCastException: org.vaadin.addon.leaflet.LPolygon cannot be cast to org.vaadin.addon.leaflet.LPolyline
at org.vaadin.addon.leaflet.draw.LDraw$1.polylineModified”

when i try save editing polygon.