It can't show ODT/ODS files

[Juan Simón]

When I try to see one preview of ODT/ODS files, Gloobus Preview shows me a window with the file info and an error: "Error converting...to PDF"
I attach two screenshots.
---
Architecture: i386
DistroRelease: Ubuntu 10.04
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
NonfreeKernelModules: nvidia
Package: gloobus-preview 0.4.5-ubuntu6~ppa237
PackageArchitecture: i386
ProcEnviron:
 LANG=es_ES.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-24.42-generic-pae 2.6.32.15+drm33.5
Tags: lucid
Uname: Linux 2.6.32-24-generic-pae i686
UnreportableReason: This is not a genuine Ubuntu package
UserGroups: adm admin cdrom dialout dip fax floppy fuse lp lpadmin nopasswdlogin plugdev sambashare tape users vboxusers video winbindd_priv

[Juan Simón (simonbcn)]

apport information