Probably is not a bug and you just need to reinstall the package. Try with:
sudo apt-get install --reinstall light-themes -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ubuntu-themes in Ubuntu. https://bugs.launchpad.net/bugs/1639584 Title: package light-themes 16.10+16.10.20161024-0ubuntu1 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting configuration Status in ubuntu-themes package in Ubuntu: New Bug description: begins at start up ProblemType: Package DistroRelease: Ubuntu 16.10 Package: light-themes 16.10+16.10.20161024-0ubuntu1 ProcVersionSignature: Ubuntu 4.8.0-26.28-generic 4.8.0 Uname: Linux 4.8.0-26-generic x86_64 ApportVersion: 2.20.3-0ubuntu8 Architecture: amd64 Date: Fri Nov 4 00:01:45 2016 DuplicateSignature: package:light-themes:16.10+16.10.20161024-0ubuntu1 Setting up python3-libapparmor (2.10.95-4ubuntu5.1) ... dpkg: error processing package light-themes (--configure): package is in a very bad inconsistent state; you should ErrorMessage: package is in a very bad inconsistent state; you should reinstall it before attempting configuration InstallationDate: Installed on 2016-10-31 (6 days ago) InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2) PackageArchitecture: all RelatedPackageVersions: dpkg 1.18.10ubuntu1 apt 1.3.1 SourcePackage: ubuntu-themes Title: package light-themes 16.10+16.10.20161024-0ubuntu1 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting configuration UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-themes/+bug/1639584/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp