package slurmctld 19.05.5-1 failed to install/upgrade: installed slurmctld package post-installation script subprocess returned error exit status 1

[lamamra moussa]

after i finished the upgrad to the new version 20.04 at the end it shows this error

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: slurmctld 19.05.5-1
ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60
Uname: Linux 5.4.0-48-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.9
Architecture: amd64
CasperMD5CheckResult: skip
Date: Tue Oct 6 19:39:41 2020
DuplicateSignature:
 package:slurmctld:19.05.5-1
 Installing new version of config file /etc/init.d/slurmd ...
 chown: invalid user: ‘slurm:slurm’
 dpkg: error processing package slurmd (--configure):
  installed slurmd package post-installation script subprocess returned error exit status 1
ErrorMessage: installed slurmctld package post-installation script subprocess returned error exit status 1
InstallationDate: Installed on 2018-09-10 (757 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
Python3Details: /usr/local/bin/python3.7, Python 3.7.4, unpackaged
PythonDetails: /usr/bin/python2.7, Python 2.7.18rc1, python-is-python2, 2.7.17-4
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt 2.0.2ubuntu0.1
SourcePackage: slurm-llnl
Title: package slurmctld 19.05.5-1 failed to install/upgrade: installed slurmctld package post-installation script subprocess returned error exit status 1
UpgradeStatus: Upgraded to focal on 2020-10-06 (0 days ago)

[Launchpad Janitor (janitor)]

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