[Bug 970470] [NEW] Running "update-manager -d" on Ubuntu 11.10 caused this error

[wingnux]

Public bug reported:

Tried to upgrade from Ubuntu 11.10 32bit to Ubuntu 12.04 LTS Beta 2 and
this error appeared.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: update-manager 1:0.152.25.8
ProcVersionSignature: Ubuntu 3.0.0-17.30-generic-pae 3.0.22
Uname: Linux 3.0.0-17-generic-pae i686
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Sat Mar 31 20:38:48 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
PackageArchitecture: all
SourcePackage: update-manager
UpgradeStatus: Upgraded to oneiric on 2012-03-31 (0 days ago)
VarLogDistupgradeAptlog:
 Log time: 2012-03-31 20:34:55.892480
 Log time: 2012-03-31 20:35:57.299599
 Log time: 2012-03-31 20:38:05.823858
 Log time: 2012-03-31 20:38:54.203618

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug dist-upgrade i386 oneiric

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https://bugs.launchpad.net/bugs/970470

Title:
  Running "update-manager -d" on Ubuntu 11.10 caused this error

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  Tried to upgrade from Ubuntu 11.10 32bit to Ubuntu 12.04 LTS Beta 2
  and this error appeared.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: update-manager 1:0.152.25.8
  ProcVersionSignature: Ubuntu 3.0.0-17.30-generic-pae 3.0.22
  Uname: Linux 3.0.0-17-generic-pae i686
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  Date: Sat Mar 31 20:38:48 2012
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  PackageArchitecture: all
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to oneiric on 2012-03-31 (0 days ago)
  VarLogDistupgradeAptlog:
   Log time: 2012-03-31 20:34:55.892480
   Log time: 2012-03-31 20:35:57.299599
   Log time: 2012-03-31 20:38:05.823858
   Log time: 2012-03-31 20:38:54.203618

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