[i18n] failed to open stream

[David Chang]

Horde is up2date.

When executive translation.php in /horde.beta/po ,got such error messages:
#cd horde.beta/po
#./translation.php update --locale=zh_TW --base=/usr/local/apache/horde.beta

Warning: main(HORDE_BASE/lib/Util.php): failed to open stream: No such file or 5

Warning: main(): Failed opening 'HORDE_BASE/lib/Util.php' for inclusion (includ5
---------------------------
Horde translation generator
---------------------------
Loading libraries...
Console_Getopt... OK
Console_Table... Console_Table not found.
File_Find... OK

Make sure that you have PEAR installed and in your include path.
include_path: /usr/local/lib/php:/usr/local/share/pear:.