Can't initialize the gnome interface

[Hassan El Jacifi]

-- Bug:
Can't initialize the gnome interface when i try to reconfigure something in terminal via dpkg-reconfigure

0:08 root@Mars /home/waver# dpkg-reconfigure locales
debconf: Impossible d'initialiser l'interface: Gnome
debconf: (Can't locate object method "signal_connect" via package "Gtk2::Window"
 at /usr/share/perl5/Debconf/FrontEnd/Gnome.pm line 73.)
debconf: Utilisation de l'interface Dialog à la place

-- System Information:
Debian Release: testing/unstable
  APT prefers dapper-updates
  APT policy: (500, 'dapper-updates'), (500, 'dapper-security'), (500, 'dapper')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.15-12-686
Locale: LANG=fr_CH, LC_CTYPE=fr_CH (charmap=ISO-8859-1)

Versions of packages debconf depends on:
ii debconf-i18n 1.4.67ubuntu1 full internationalization support

ii perl-base 5.8.7-10ubuntu1 The Pathologically Eclectic Rubbis

Versions of packages debconf recommends:
ii apt-utils 0.6.43.1ubuntu1 APT utility programs

-- debconf information:
  debconf-apt-progress/preparing:
  debconf-apt-progress/title:
  debconf-apt-progress/info:
* debconf/frontend: Gnome
* debconf/priority: medium