RES: Key violation. ERROR: type "lo" does not exist.

<p><font size="2">I do not know.  How I make this?  How I verify if this installed?</font><p><font
size="2">At.</font><p><fontsize="2">Fernando C. Figueiredo</font><br /><font size="2">CRC Vivo - Goiânia</font><br
/><fontsize="2">Fone: (62) 3238-3441 / 9978-9857 </font><br /><p><font size="2">-----Mensagem original-----</font><br
/><fontsize="2">De: Douglas McNaught [<a href="mailto:doug@mcnaught.org">mailto:doug@mcnaught.org</a>] </font><br
/><fontsize="2">Enviada em: quinta-feira, 20 de outubro de 2005 09:04</font><br /><font size="2">Para:
Fernando.Figueiredo@vivo.net.br</font><br/><font size="2">Cc: pgsql-hackers@postgresql.org</font><br /><font
size="2">Assunto:Re: [HACKERS] Key violation. ERROR: type "lo" does not exist.</font><p><font
size="2">Fernando.Figueiredo@vivo.net.brwrites:</font><p><font size="2">> I receive the mesagem from error: Key
violation.ERROR: type "lo" does </font><br /><font size="2">> not exist.</font><p><font size="2">Have you installed
the'contrib/lo' module that creates that type?</font><p><font size="2">-Doug</font>