package libidn2-0 (not installed) failed to install/upgrade: no package named 'libidn2-0' is installed, cannot configure

[Siddharth]

I am not able to upgrade my ubuntu

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libidn2-0 (not installed)
ProcVersionSignature: Ubuntu 4.4.0-159.187-generic 4.4.185
Uname: Linux 4.4.0-159-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.19
Architecture: amd64
Date: Tue Jun 9 08:42:11 2020
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-xenial-amd64-20160624-2
ErrorMessage: no package named 'libidn2-0' is installed, cannot configure
InstallationDate: Installed on 2018-12-22 (534 days ago)
InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1
 apt 1.2.29ubuntu0.1
SourcePackage: libidn2
Title: package libidn2-0 (not installed) failed to install/upgrade: no package named 'libidn2-0' is installed, cannot configure
UpgradeStatus: No upgrade log present (probably fresh install)