Hi all I fighting with these PUT_factory def PUT_factory(self, name, typ, body): from Products.Yanged.FicheroYanged import FicheroYanged if name.endswith('.mm'): ob = FicheroYanged(name, 'Fichero de estrucutra de ' + self.getId(), body, 'LanzarProcesarFreeMind', self.getId(), typ) return ob return None It's curious because these function (put on the same container) works perfectly: def CrearFicheroYanged(self): """ """ from Products.Yanged.FicheroYanged import FicheroYanged ob = FicheroYanged('Fichero', 'Fichero de pruebas de ' + self.getId(), '', '', self.getId(), 'text/plain') self._setObject('Fichero', ob) return ob.getId() Could anyone find the mistake? Thanks! -- Mis Cosas http://blogs.sistes.net/Garito/