package update-manager 1:0.87.7 failed to install/upgrade: ErrorMessage: SystemError in cache.commit(): E:Sub-process /usr/bin/dpkg returned an error code (1), E:Sub-process /usr/bin/dpkg returned an error code (1)

Binary package hint: update-manager

Ubuntu Gusty Gibbon 7.10 Final update-manager -d to Ubuntu 8.04 Hardy Heron Alpha 4

ProblemType: Package
Architecture: i386
Date: Tue Feb 19 09:20:54 2008
DistroRelease: Ubuntu 8.04
ErrorMessage: ErrorMessage: SystemError in cache.commit(): E:Sub-process /usr/bin/dpkg returned an error code (1), E:Sub-process /usr/bin/dpkg returned an error code (1)

NonfreeKernelModules: vmnet vmmon
Package: update-manager 1:0.87.7
PackageArchitecture: all
SourcePackage: update-manager
Title: package update-manager 1:0.87.7 failed to install/upgrade: ErrorMessage: SystemError in cache.commit(): E:Sub-process /usr/bin/dpkg returned an error code (1), E:Sub-process /usr/bin/dpkg returned an error code (1)
Uname: Linux tower-desktop 2.6.22-14-generic #1 SMP Tue Feb 12 07:42:25 UTC 2008 i686 GNU/Linux