package magnum-common 2.0.0-4ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Avinash Ojha]

It shows magnum error always whenever i try to install anything

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: magnum-common 2.0.0-4ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-96.97~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-96-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.23
Architecture: amd64
Date: Sun May 24 06:39:29 2020
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2020-04-22 (31 days ago)
InstallationMedia: Ubuntu 16.04.6 LTS "Xenial Xerus" - Release amd64 (20190227)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.6
 apt 1.2.32ubuntu0.1
SourcePackage: magnum
Title: package magnum-common 2.0.0-4ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)