package ucf 3.0038+nmu1 failed to install/upgrade: installed ucf package post-installation script subprocess returned error exit status 128

[Muhammad Arka Kharisma]

i get this error when upgrading from ubuntu 18.04 via update manager

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: ucf 3.0038+nmu1
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
Date: Tue Apr 28 02:07:11 2020
ErrorMessage: installed ucf package post-installation script subprocess returned error exit status 128
InstallationDate: Installed on 2019-08-16 (255 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
PackageArchitecture: all
Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.18rc1, python-is-python2, 2.7.17-4
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt 2.0.2
SourcePackage: ucf
Title: package ucf 3.0038+nmu1 failed to install/upgrade: installed ucf package post-installation script subprocess returned error exit status 128
UpgradeStatus: Upgraded to focal on 2020-04-27 (0 days ago)