package libc6 2.31-0ubuntu9.1 failed to install/upgrade: new libc6:i386 package pre-installation script subprocess returned error exit status 127

[Vadász Zoltán B.]

Ubuntu popped up the system problem window after upgdade to 20 LTS=.

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: libc6 2.31-0ubuntu9.1
ProcVersionSignature: Ubuntu 5.4.0-52.57-generic 5.4.65
Uname: Linux 5.4.0-52-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.10
Architecture: amd64
CasperMD5CheckResult: skip
Date: Wed Nov 4 21:17:23 2020
ErrorMessage: new libc6:i386 package pre-installation script subprocess returned error exit status 127
InstallationDate: Installed on 2015-03-08 (2068 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
Python3Details: /usr/bin/python3.8, Python 3.8.5, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.18, python-is-python2, 2.7.17-4
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt 2.0.2ubuntu0.1
SourcePackage: glibc
Title: package libc6 2.31-0ubuntu9.1 failed to install/upgrade: new libc6:i386 package pre-installation script subprocess returned error exit status 127
UpgradeStatus: No upgrade log present (probably fresh install)