port upgrade outdated bombs out

[Mr. Puneet Kishor]

$sudo port -v selfupdate
--->  Updating MacPorts base sources using rsync
..
Total number of ports parsed:	0 
Ports successfully parsed:	0 
Ports failed:			0 
Up-to-date ports skipped:	14346

--->  MacPorts base is already the latest version

The ports tree has been updated. To upgrade your installed ports, you should run
  port upgrade outdated
punkish at dyn-72-33-42-202 ~/Data/pgdump$sudo port upgrade outdated
Error: No ports matched the given expression
$