package libqt4-svg:amd64 4:4.8.6+git64-g5dc8b2b+dfsg-3~ubuntu8 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting configuration

[Thierry]

under ubuntu MATE 15-10

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: libqt4-svg:amd64 4:4.8.6+git64-g5dc8b2b+dfsg-3~ubuntu8
ProcVersionSignature: Ubuntu 4.2.0-30.36-generic 4.2.8-ckt3
Uname: Linux 4.2.0-30-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
Date: Sun Mar 20 11:26:50 2016
DuplicateSignature: package:libqt4-svg:amd64:4:4.8.6+git64-g5dc8b2b+dfsg-3~ubuntu8:package is in a very bad inconsistent state; you should reinstall it before attempting configuration
ErrorMessage: package is in a very bad inconsistent state; you should reinstall it before attempting configuration
InstallationDate: Installed on 2016-03-11 (8 days ago)
InstallationMedia: Ubuntu-MATE 15.10 "Wily Werewolf" - Release amd64 (20151021)
RelatedPackageVersions:
 dpkg 1.18.2ubuntu5.1
 apt 1.0.10.2ubuntu1
SourcePackage: qt4-x11
Title: package libqt4-svg:amd64 4:4.8.6+git64-g5dc8b2b+dfsg-3~ubuntu8 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)

[Launchpad Janitor (janitor)]

[Expired for qt4-x11 (Ubuntu) because there has been no activity for 60 days.]