Call to undefined function: _()

[Jens Puruckherr]

Hi,

I've tried  the lates CVS-Version of Horde &Co an got these errors:

Fatal error: Call to undefined function: _() in 
/usr/local/httpd/htdocs/horde/login.php on line 47

Fatal error: Call to undefined function: _() in 
/usr/local/httpd/htdocs/horde/imp/config/conf.php on line 282

Fatal error: Call to undefined function: _() in 
/usr/local/httpd/htdocs/horde/kronolith/index.php on line 31

Did I forgot something?
My system:

Horde Versions

    * Horde: 1.3.4-cvs
    * IMP: 2.3.7-cvs
    * Turba: 0.0.2-cvs
    * Kronolith: 0.0.2-cvs
PHP Version

    * View phpinfo() screen
    * PHP Version: 4.0.4pl1
    * PHP Major Version: 4.0
    * PHP Minor Version: 4
    * PHP Subminor Version: pl1
    * PHP Version Classification: release
    * Note that PHP 4.0.4pl1 needs to be compiled with this patch for IMAP to 
work properly.
PHP Module Capabilities

    * FTP Support: No
    * Gettext Support: No
    * IMAP Support: Yes
    * LDAP Support: No
    * MCAL Support: Yes
    * Mcrypt Support: No
    * MySQL Support: Yes
    * PostgreSQL Support: No
    * XML Support: Yes
Miscellaneous PHP Settings

    * magic_quotes_gpc set to Off: Yes
    * magic_quotes_runtime set to Off: Yes
PHP Sessions

    * Session counter: 2
    * To unregister the session: click here
PEAR

    * PEAR - Yes
    * Mail::RFC822 - No
    * Make sure you're using a recent version of PEAR which includes the Mail 
class.
    * Log - No
    * Make sure you have installed the latest PEAR from PHP-cvs.
    * DB - Yes


mfg
Jens