package update-manager 1:0.87.1 failed to install/upgrade: ErrorMessage: SystemError in cache.commit(): E:Sub-process /usr/bin/dpkg returned an error code (1)

Binary package hint: update-manager

I see there are a bunch of other bug reports, so I'm putting this in here just to show it's still a problem and to provide my system specs. Mark it as a duplicate if it's not useful. Thanks!

ProblemType: Package
Architecture: i386
Date: Fri Jan 11 18:55:51 2008
DistroRelease: Ubuntu 8.04
ErrorMessage: ErrorMessage: SystemError in cache.commit(): E:Sub-process /usr/bin/dpkg returned an error code (1)

NonfreeKernelModules: ath_hal fglrx
Package: update-manager 1:0.87.1
PackageArchitecture: all
SourcePackage: update-manager
Title: package update-manager 1:0.87.1 failed to install/upgrade: ErrorMessage: SystemError in cache.commit(): E:Sub-process /usr/bin/dpkg returned an error code (1)
Uname: Linux ryan-laptop 2.6.24-3-generic #1 SMP Thu Jan 3 23:30:29 UTC 2008 i686 GNU/Linux