package libxml2:amd64 2.9.3+dfsg1-1ubuntu0.6 failed to install/upgrade: package libxml2:amd64 is not ready for configuration cannot configure (current status 'half-installed')

i don't know i was just updating the os and i had this issue and i am not familiar with linux so i just reported it .

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libxml2:amd64 2.9.3+dfsg1-1ubuntu0.6
ProcVersionSignature: Ubuntu 4.15.0-45.48~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-45-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
Date: Wed Feb 6 18:59:15 2019
DuplicateSignature:
 package:libxml2:amd64:2.9.3+dfsg1-1ubuntu0.6
 Processing triggers for doc-base (0.10.7) ...
 Processing 1 changed doc-base file...
 dpkg: error processing package libxml2:amd64 (--configure):
  package libxml2:amd64 is not ready for configuration
ErrorMessage: package libxml2:amd64 is not ready for configuration cannot configure (current status 'half-installed')
InstallationDate: Installed on 2018-07-07 (213 days ago)
InstallationMedia: Xubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.5
 apt 1.2.29ubuntu0.1
SourcePackage: libxml2
Title: package libxml2:amd64 2.9.3+dfsg1-1ubuntu0.6 failed to install/upgrade: package libxml2:amd64 is not ready for configuration cannot configure (current status 'half-installed')
UpgradeStatus: No upgrade log present (probably fresh install)