package apticron 1.2.0 failed to install/upgrade: installed apticron package post-installation script subprocess returned error exit status 1

[Pardsbane]

Running a fully up to date version of Ubuntu 16.04 on a Digital Ocean droplet, I am upgrading to 18.04 and got this error.

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: apticron 1.2.0
ProcVersionSignature: Ubuntu 4.4.0-145.171-generic 4.4.176
Uname: Linux 4.4.0-145-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
Date: Sun May 12 00:07:18 2019
ErrorMessage: installed apticron package post-installation script subprocess returned error exit status 1
InstallationDate: Installed on 2014-04-18 (1849 days ago)
InstallationMedia:

PackageArchitecture: all
Python3Details: /usr/bin/python3.6, Python 3.6.7, python3-minimal, 3.6.7-1~18.04
PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2.1
 apt 1.6.10
SourcePackage: apticron
Title: package apticron 1.2.0 failed to install/upgrade: installed apticron package post-installation script subprocess returned error exit status 1
UpgradeStatus: Upgraded to bionic on 2019-05-12 (0 days ago)