<type 'exceptions.SystemError'>: E:I wasn't able to locate a file for the ubuntu-tweak package. This might mean you need to manually fix this package.

[J. Austin Rodriguez]

This happened while executing sudo apt-get update && sudo apt-get upgrade -y on a Terminal.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: aptdaemon 0.43+bzr697-0ubuntu1.2
ProcVersionSignature: Ubuntu 3.0.0-17.30-generic 3.0.22
Uname: Linux 3.0.0-17-generic x86_64
Annotation: Upgrading the system failed
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
Date: Wed Apr 11 19:13:34 2012
DesktopFile: /usr/share/aptdaemon/aptdaemon.desktop
ExecutablePath: /usr/sbin/aptd
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
PackageArchitecture: all
SourcePackage: aptdaemon
SysLog:
 Apr 11 19:13:27 dv3t-Pav AptDaemon: INFO: Initializing daemon
 Apr 11 19:13:27 dv3t-Pav AptDaemon: INFO: UpgradeSystem() was called with safe mode: 1
 Apr 11 19:13:27 dv3t-Pav AptDaemon.Trans: INFO: Simulate was called
 Apr 11 19:13:27 dv3t-Pav AptDaemon.Worker: INFO: Simulating trans: /org/debian/apt/transaction/636117aa6c054be6b782c0466b26fed9
 Apr 11 19:13:32 dv3t-Pav AptDaemon.Worker: INFO: Upgrade system with safe mode: 1
Title: <type 'exceptions.SystemError'>: E:I wasn't able to locate a file for the ubuntu-tweak package. This might mean you need to manually fix this package.
TransactionDepends: [[], [], [], [], [], [], []]
TransactionErrorCode: error-unknown
TransactionKwargs: {'safe_mode': dbus.Boolean(True)}
TransactionLocale:

TransactionOutput:

TransactionPackages: [[], [], [], [], [], []]
TransactionRole: role-upgrade-system
UpgradeStatus: No upgrade log present (probably fresh install)