This is not a bug in qtdeclarative, but rather an issue with your system. It usually happens when one forcefully ends an apt installation process.
** Changed in: qtdeclarative-opensource-src (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to qtdeclarative-opensource- src in Ubuntu. https://bugs.launchpad.net/bugs/1700204 Title: package libqt5quickwidgets5:i386 5.5.1-2ubuntu6 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting configuration Status in qtdeclarative-opensource-src package in Ubuntu: Invalid Bug description: Installation error occurred during updates on a fresh install of Ubuntu 16.04 on a laptop that I already had Ubuntu 16.04 installed and up to date. ProblemType: Package DistroRelease: Ubuntu 16.04 Package: libqt5quickwidgets5:i386 5.5.1-2ubuntu6 ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13 Uname: Linux 4.4.0-31-generic i686 ApportVersion: 2.20.1-0ubuntu2.6 Architecture: i386 Date: Fri Jun 23 22:11:04 2017 DuplicateSignature: package:libqt5quickwidgets5:i386:5.5.1-2ubuntu6 Setting up libqt5widgets5:i386 (5.5.1+dfsg-16ubuntu7.5) ... dpkg: error processing package libqt5quickwidgets5:i386 (--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 2017-06-24 (0 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release i386 (20160719) RelatedPackageVersions: dpkg 1.18.4ubuntu1.2 apt 1.2.20 SourcePackage: qtdeclarative-opensource-src Title: package libqt5quickwidgets5:i386 5.5.1-2ubuntu6 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/qtdeclarative-opensource-src/+bug/1700204/+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