package heirloom-mailx 12.5-2 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting configuration

When installing actualizations it appear a message about a failure on installing this.

The OS is 14.04 LTS 32 bits

The laptop is a notebook with a processor: Intel® Atom™ CPU N455 @ 1.66GHz × 2 and graphics Intel® IGD x86/MMX/SSE2

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: heirloom-mailx 12.5-2
ProcVersionSignature: Ubuntu 3.13.0-49.81-generic 3.13.11-ckt17
Uname: Linux 3.13.0-49-generic i686
NonfreeKernelModules: wl
ApportVersion: 2.14.1-0ubuntu3.10
Architecture: i386
Date: Mon Apr 20 02:29:38 2015
DuplicateSignature: package:heirloom-mailx:12.5-2:package is in a very bad inconsistent state; you should reinstall it before attempting configuration
ErrorMessage: package is in a very bad inconsistent state; you should reinstall it before attempting configuration
InstallationDate: Installed on 2013-03-22 (758 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
SourcePackage: heirloom-mailx
Title: package heirloom-mailx 12.5-2 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting configuration
UpgradeStatus: Upgraded to trusty on 2014-05-06 (348 days ago)
modified.conffile..etc.nail.rc: [deleted]