address of Registerd dabase for guided printing in series

Why I can’t address the registered database in one defined file? I always get this strange address
vnd.sun.star.pkg://file:%2F%2F%2FC:%2FSocio%2FMod%2FDoc%2520San%2520Don%25C3%25A0%2FDati%2520Prestazione.odt/EmbeddedDatabase

descrizione immagine

After this when I try to add to a new document an already registerd database I can’t find it

This is Italian version