package apport 1.20.1-0ubuntu4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[loopback]

Binary package hint: apport

i was doing update

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: apport 1.20.1-0ubuntu4
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
CrashReports: 600:0:0:155472:2011-04-20 20:12:10.786000000 -0400:2011-04-20 20:12:39.330137591 -0400:/var/crash/apport.0.crash
Date: Wed Apr 20 20:12:11 2011
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta i386 (20110413)
PackageArchitecture: all
SourcePackage: apport
Title: package apport 1.20.1-0ubuntu4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)