package libqt5sql5:amd64 5.5.1+dfsg-16ubuntu7.5 failed to install/upgrade: le paquet libqt5sql5:amd64 n'est pas prêt pour la configuration configuration impossible (état actuel « half-installed »)

[Hubert]

I don't know from where it comes. Everytime I have this error after several days on installing an update. Thank you for your help

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libqt5sql5:amd64 5.5.1+dfsg-16ubuntu7.5
ProcVersionSignature: Ubuntu 4.10.0-35.39~16.04.1-generic 4.10.17
Uname: Linux 4.10.0-35-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
Date: Tue Oct 3 06:58:59 2017
DpkgHistoryLog:
 Start-Date: 2017-10-03 06:58:54
 Commandline: /usr/bin/unattended-upgrade
 Upgrade: poppler-utils:amd64 (0.41.0-0ubuntu1.2, 0.41.0-0ubuntu1.3), libnss3-nssdb:amd64 (2:3.28.4-0ubuntu0.16.04.2, 2:3.28.4-0ubuntu0.16.04.3), dnsmasq-base:amd64 (2.75-1ubuntu0.16.04.2, 2.75-1ubuntu0.16.04.3), firefox-locale-en:amd64 (55.0.2+build1-0ubuntu0.16.04.1, 56.0+build6-0ubuntu0.16.04.1), firefox-locale-fr:amd64 (55.0.2+build1-0ubuntu0.16.04.1, 56.0+build6-0ubuntu0.16.04.1), libidn11:amd64 (1.32-3ubuntu1.1, 1.32-3ubuntu1.2), libnss3:amd64 (2:3.28.4-0ubuntu0.16.04.2, 2:3.28.4-0ubuntu0.16.04.3), ca-certificates:amd64 (20160104ubuntu1, 20170717~16.04.1), firefox:amd64 (55.0.2+build1-0ubuntu0.16.04.1, 56.0+build6-0ubuntu0.16.04.1), libpoppler-glib8:amd64 (0.41.0-0ubuntu1.2, 0.41.0-0ubuntu1.3), libpoppler58:amd64 (0.41.0-0ubuntu1.2, 0.41.0-0ubuntu1.3)
ErrorMessage: le paquet libqt5sql5:amd64 n'est pas prêt pour la configuration configuration impossible (état actuel « half-installed »)
InstallationDate: Installed on 2017-06-10 (114 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.24
SourcePackage: qtbase-opensource-src
Title: package libqt5sql5:amd64 5.5.1+dfsg-16ubuntu7.5 failed to install/upgrade: le paquet libqt5sql5:amd64 n'est pas prêt pour la configuration configuration impossible (état actuel « half-installed »)
UpgradeStatus: No upgrade log present (probably fresh install)