package ubuntu-release-upgrader-core 1:16.04.26 failed to install/upgrade: package ubuntu-release-upgrader-core is already installed and configured

[d mcg]

installing Epson printer driver for xp-640. Installation failed, terminal window states --
Errors were encountered while processing:
python3-distupgrade
python3-update-manager
ubuntu-release-upgrader-core

followed by about 13 other products

Newly installed lubuntu 16.04

package installer

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: ubuntu-release-upgrader-core 1:16.04.26
ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-29-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: amd64
CrashDB: ubuntu
CrashReports:
 600:0:115:226541:2018-12-05 17:34:13.726782083 -0500:2018-12-05 17:34:14.726782083 -0500:/var/crash/ubuntu-release-upgrader-core.0.crash
 600:0:115:226520:2018-12-05 17:34:14.674781503 -0500:2018-12-05 17:34:14.630781040 -0500:/var/crash/python3-update-manager.0.crash
 600:0:115:225483:2018-12-05 17:34:14.630781040 -0500:2018-12-05 17:34:14.142775911 -0500:/var/crash/python3-distupgrade.0.crash
Date: Wed Dec 5 17:34:14 2018
DuplicateSignature:
 package:ubuntu-release-upgrader-core:1:16.04.26
 Processing triggers for mime-support (3.59ubuntu1) ...
 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 2018-12-05 (0 days ago)
InstallationMedia: Lubuntu 16.04.5 LTS "Xenial Xerus" - Release amd64 (20180731)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.5
 apt 1.2.29
SourcePackage: dpkg
Title: package ubuntu-release-upgrader-core 1:16.04.26 failed to install/upgrade: package ubuntu-release-upgrader-core is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.