package maven 3.6.3-1 failed to install/upgrade: installed maven package post-installation script subprocess returned error exit status 2

[PRATHAM AGARWAL]

please let me know why my maven is not installed

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: maven 3.6.3-1
ProcVersionSignature: Ubuntu 5.4.0-54.60-generic 5.4.65
Uname: Linux 5.4.0-54-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.12
Architecture: amd64
CasperMD5CheckResult: skip
Date: Mon Nov 30 15:44:49 2020
ErrorMessage: installed maven package post-installation script subprocess returned error exit status 2
InstallationDate: Installed on 2020-10-07 (55 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
PackageArchitecture: all
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: maven
Title: package maven 3.6.3-1 failed to install/upgrade: installed maven package post-installation script subprocess returned error exit status 2
UpgradeStatus: No upgrade log present (probably fresh install)