package ubuntu-release-upgrader-core 1:16.04.16 failed to install/upgrade: package ubuntu-release-upgrader-core is already installed and configured

[Javier]

Most apps and services running normal but receive error message repeatedly,

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: ubuntu-release-upgrader-core 1:16.04.16
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: amd64
CrashDB: ubuntu
Date: Wed Oct 26 11:40:07 2016
DuplicateSignature:
 package:ubuntu-release-upgrader-core:1:16.04.16
 Unpacking wportuguese (20160108-1) ...
 dpkg: error processing package python3-distupgrade (--configure):
  package python3-distupgrade is already installed and configured
ErrorMessage: package ubuntu-release-upgrader-core is already installed and configured
InstallationDate: Installed on 2016-10-26 (0 days ago)
InstallationMedia: Lubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160720)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: dpkg
Title: package ubuntu-release-upgrader-core 1:16.04.16 failed to install/upgrade: package ubuntu-release-upgrader-core is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)