[Qgis-user] Trouble digitizing polygons

[Giovanni Manghi]

> I get an error: "No se pudo añadir el objeto espacial 
> porque eliminar las intersecciones de polígonos cambiaría el tipo de 
> geometría" (The feature could not be added because removing the polygon 
> intersections would change the geometry type).

have you enabled topological editing/avoid intersection of new
polygons/snapping also in another layer with polygons in the same spot
where you are digitizing?

cheers

-- Giovanni --