package whoopsie 0.1.32 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

I don't know why this happened.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: whoopsie 0.1.32
ProcVersionSignature: Ubuntu 3.0.0-17.30-generic 3.0.22
Uname: Linux 3.0.0-17-generic i686
ApportVersion: 2.0.1-0ubuntu7
Architecture: i386
Date: Tue May 1 14:57:09 2012
DuplicateSignature:
 Setting up whoopsie (0.1.32) ...
 useradd: não foi possível bloquear /etc/passwd; tente mais tarde.
 adduser: '/usr/sbin/useradd -d /nonexistent -g whoopsie -s /bin/false -u 117 whoopsie' retornou código de erro 1. Saindo.
 dpkg: error processing whoopsie (--configure):
  subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Macbuntu-iso - Release i386
SourcePackage: whoopsie-daisy
Title: package whoopsie 0.1.32 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)
WhoopsieLog: