desktopcouch-service crashed with PreconditionFailed in request(): ('file_exists', 'The database could not be created, the file already exists.')

Binary package hint: desktopcouch

$ lsb_release -rd
Description: Ubuntu Natty (development branch)
Release: 11.04

$ sudo apt-cache policy desktopcouch
desktopcouch:
  Installé : 1.0.6-0ubuntu1
  Candidat : 1.0.6-0ubuntu1
 Table de version :
 *** 1.0.6-0ubuntu1 0
        500 http://fr.archive.ubuntu.com/ubuntu/ natty/main i386 Packages
        100 /var/lib/dpkg/status

Hi all,

I tried to install desktop-couchdb for sync ubuntu-one in the ubuntu-one wizard but it crashed...

BR,
Winael

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: desktopcouch 1.0.6-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic i686
Architecture: i386
Date: Sun Mar 13 16:58:40 2011
ExecutablePath: /usr/lib/desktopcouch/desktopcouch-service
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110302)
InterpreterPath: /usr/bin/python2.7
ProcCmdline: /usr/bin/python /usr/lib/desktopcouch/desktopcouch-service
ProcEnviron:
 SHELL=/bin/bash
 LANGUAGE=fr_FR:en
 LANG=fr_FR.UTF-8
PythonArgs: ['/usr/lib/desktopcouch/desktopcouch-service']
SourcePackage: desktopcouch
Title: desktopcouch-service crashed with PreconditionFailed in request(): ('file_exists', 'The database could not be created, the file already exists.')
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare