package pppconfig 2.3.23 failed to install/upgrade: installed pppconfig package post-installation script subprocess returned error exit status 1

[Lammeck]

the package pppconfig failed to update

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: pppconfig 2.3.23
ProcVersionSignature: Ubuntu 4.15.0-36.39~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-36-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.4
Architecture: amd64
Date: Fri Oct 5 13:15:17 2018
ErrorMessage: installed pppconfig package post-installation script subprocess returned error exit status 1
InstallationDate: Installed on 2018-04-28 (159 days ago)
InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
PackageArchitecture: all
Python3Details: /usr/bin/python3.6, Python 3.6.6, python3-minimal, 3.6.5-3ubuntu1
PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2
 apt 1.6.5
SourcePackage: pppconfig
Title: package pppconfig 2.3.23 failed to install/upgrade: installed pppconfig package post-installation script subprocess returned error exit status 1
UpgradeStatus: Upgraded to bionic on 2018-10-05 (0 days ago)
modified.conffile..etc.init.d.dns-clean: [deleted]

[Launchpad Janitor (janitor)]

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