On Mon, 2012-06-04 at 16:21 +0200, Paolo Cavallini wrote: > Load int.faunalia.it/~paolo/tempdata.zip > Properties>Style>Categorized>Value>Bang! > <class 'qgis.core.QgsVectorLayer'> > Errore di segmentazione > Note: all Values are NULL I remember that this issue was raised by OsX users, and that was fixed. cheers -- Giovanni --