package otrs2 2.4.7-1ubuntu0.1 failed to install/upgrade: sub-processo script post-installation instalado retornou estado de saída de erro 1

Binary package hint: otrs2

Creating config file /etc/apache2/conf.d/otrs2 with new version
ERROR: Module perl does not exist!
dpkg: erro processando otrs2 (--configure):
 sub-processo script post-installation instalado retornou estado de saída de erro 1
Configurando postfix (2.7.0-1) ...
Adicionando grupo `postfix' (GID 126) ...
Concluído.
Adicionando usuário de sistema `postfix' (UID 120) ...
Adicionando novo usuário `postfix' (UID 120) ao grupo `postfix' ...
Sem criar diretório pessoal `/var/spool/postfix'.
Creating /etc/postfix/dynamicmaps.cf
Adding tcp map entry to /etc/postfix/dynamicmaps.cf
Adicionando grupo `postdrop' (GID 127) ...
Concluído.
setting myhostname: servidor-extendtecnolia.local
setting alias maps
setting alias database
changing /etc/mailname to <email address hidden>
setting myorigin
setting destinations: <email address hidden>, localhost, localhost.localdomain, localhost
setting relayhost:
setting mynetworks: 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
setting mailbox_command
setting mailbox_size_limit: 0
setting recipient_delimiter: +
setting inet_interfaces: all
/etc/aliases does not exist, creating it.
WARNING: /etc/aliases exists, but does not have a root alias.

Postfix is now set up with a default configuration. If you need to make
changes, edit
/etc/postfix/main.cf (and others) as needed. To view Postfix configuration
values, see postconf(1).

After modifying main.cf, be sure to run '/etc/init.d/postfix reload'.

Running newaliases
 * Stopping Postfix Mail Transport Agent postfix [ OK ]
 * Starting Postfix Mail Transport Agent postfix [ OK ]

Configurando procmail (3.22-18ubuntu1) ...
Configurando libgd-gd2-noxpm-perl (1:2.39-2) ...
Configurando libgd-text-perl (0.86-5) ...
Configurando libgd-graph-perl (1.44-3) ...
Processando gatilhos para libc-bin ...
ldconfig deferred processing now taking place
Erros foram encontrados durante o processamento de:
 otrs2
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: otrs2 2.4.7-1ubuntu0.1
ProcVersionSignature: Ubuntu 2.6.32-27.49-generic 2.6.32.26+drm33.12
Uname: Linux 2.6.32-27-generic i686
Architecture: i386
Date: Wed Jan 19 14:56:53 2011
ErrorMessage: sub-processo script post-installation instalado retornou estado de saída de erro 1
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
PackageArchitecture: all
SourcePackage: otrs2
Title: package otrs2 2.4.7-1ubuntu0.1 failed to install/upgrade: sub-processo script post-installation instalado retornou estado de saída de erro 1