ubuntu10.04 GOSA 2.5.19-2 error

Binary package hint: gosa

Install GOSA from the repository and when you you visit the configuration url you get this error:

Fatal error: Call to undefined function print_array() in /usr/share/gosa/include/class_dhcpPlugin.inc on line 206

Also the command aptitude purge gosa fails with:
Errors were encountered while processing:
 gosa
E: Sub-process /usr/bin/dpkg returned an error code (1)

system info
root@prototype:~# lsb_release -rd
Description: Ubuntu 10.04.2 LTS
Release: 10.04

Package: gosa
State: partially installed
Automatically installed: no
Version: 2.5.19-2
Priority: optional
Section: universe/web
Maintainer: Ubuntu Developers <email address hidden>
Uncompressed Size: 16.5M
Depends: php5, php5-cli, apache2, exim4 | mail-transport-agent, php5-gd, php5-imap, php5-ldap, php5-mhash, php5-mysql, php5-imagick |
         imagemagick (>= 5.4.4.5-1) | graphicsmagick-im-compat, fping, libcrypt-smbhash-perl, smarty, php5-recode, wwwconfig-common,
         smarty-gettext
Suggests: cyrus22-imapd, postfix-ldap, etherwake, slapd, gosa-schema
Conflicts: gosa-help-en