package ejabberd 2.1.11-1ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[VISHAL]

I was trying to configure ejabberd with MySQL. During that process I face this issue

ProblemType: Package
DistroRelease: Ubuntu 14.10
Package: ejabberd 2.1.11-1ubuntu3
ProcVersionSignature: Ubuntu 3.16.0-30.40-generic 3.16.7-ckt3
Uname: Linux 3.16.0-30-generic x86_64
ApportVersion: 2.14.7-0ubuntu8.1
AptOrdering:
 ejabberd: Install
 ejabberd: Configure
Architecture: amd64
Date: Wed Jan 28 12:41:17 2015
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-precise-amd64-20130203-1
DuplicateSignature: package:ejabberd:2.1.11-1ubuntu3:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2014-03-12 (321 days ago)
InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20130203-13:50
SourcePackage: ejabberd
Title: package ejabberd 2.1.11-1ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to utopic on 2014-10-29 (90 days ago)
modified.conffile..etc.ejabberd.inetrc: [deleted]

[Launchpad Janitor (janitor)]

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

[Philipp Huebner (debalance-debian)]

From the log:

Not replacing deleted config file /etc/ejabberd/ejabberd.cfg
chown: cannot access ‘/etc/ejabberd/ejabberd.cfg’: No such file or directory

This is not a bug in the package.