package postgresql-client-9.3 9.3.10-0ubuntu0.14.04 failed to install/upgrade: il sottoprocesso installato script di post-installation ha restituito lo stato di errore 2

The error happen during ubuntu upgrade from 12.04 to 14.04

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: postgresql-client-9.3 9.3.10-0ubuntu0.14.04
ProcVersionSignature: Ubuntu 3.2.0-92.131-generic 3.2.71
Uname: Linux 3.2.0-92-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.18
Architecture: amd64
Date: Wed Oct 28 13:08:03 2015
DuplicateSignature: package:postgresql-client-9.3:9.3.10-0ubuntu0.14.04:il sottoprocesso installato script di post-installation ha restituito lo stato di errore 2
ErrorMessage: il sottoprocesso installato script di post-installation ha restituito lo stato di errore 2
InstallationDate: Installed on 2011-05-27 (1614 days ago)
InstallationMedia: Ubuntu-Server 11.04 "Natty Narwhal" - Release amd64 (20110426)
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.4
 apt 1.0.1ubuntu2.10
SourcePackage: postgresql-9.3
Title: package postgresql-client-9.3 9.3.10-0ubuntu0.14.04 failed to install/upgrade: il sottoprocesso installato script di post-installation ha restituito lo stato di errore 2
UpgradeStatus: Upgraded to trusty on 2015-10-28 (0 days ago)