Failed to load module "canberra-gtk-module"

[Peter]

ERROR: hook /usr/share/apport/general-hooks/cloud_archive.py crashed:
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/apport/report.py", line 742, in add_hooks_info
    symb['add_info'](self, ui)
  File "/usr/share/apport/general-hooks/cloud_archive.py", line 18, in add_info
    if '~cloud' in packaging.get_version(package) and \
  File "/usr/lib/python2.7/dist-packages/apport/packaging_impl.py", line 95, in get_version
    raise ValueError('package does not exist')
ValueError: package does not exist
No packages found matching ubuntu-release-upgrader-core.
peter@ubuntu-business:~$ Gtk-Message: Failed to load module "canberra-gtk-module"
1464542584628 addons.update-checker WARN Update manifest for <email address hidden> did not contain an updates property
1464542585104 addons.update-checker WARN Update manifest for <email address hidden> did not contain an updates property
1464542585152 addons.update-checker WARN Update manifest for {972ce4c6-7e08-4474-a285-3208198ce6fd} did not contain an updates property
1464542585208 addons.update-checker WARN Update manifest for <email address hidden> did not contain an updates property

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ubuntu-release-upgrader-core (not installed)
ProcVersionSignature: Ubuntu 3.2.0-102.142-generic 3.2.79
Uname: Linux 3.2.0-102-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu17.13
Architecture: i386
Date: Sun May 29 13:20:17 2016
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-boulder-precise-x86-20120504-0
InstallationMedia: Ubuntu 12.04 "Precise" - Build i386 LIVE Binary 20120504-02:32
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to precise on 2016-05-29 (0 days ago)