you can try to repair it by means of LWGEOM plugin (https://www.youtube.com/watch?v=BqJbVh_OqCE) s. -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Check-geometry-validity-tools-tp5160189p5160554.html Sent from the Quantum GIS - User mailing list archive at Nabble.com.