package openerp6.1-core 6.1-1+dfsg-0ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Swapnesh Shah]

installArchives() failed: perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LANGUAGE = (unset),
 LC_ALL = (unset),
 LANG = "en_IN.ISO8859-1"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
Preconfiguring packages ...
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LANGUAGE = (unset),
 LC_ALL = (unset),
 LANG = "en_IN.ISO8859-1"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
Preconfiguring packages ...
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
 LANGUAGE = (unset),
 LC_ALL = (unset),
 LANG = "en_IN.ISO8859-1"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
Preconfiguring packages ...
Selecting previously unselected package pwgen.
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(Reading database ... 317991 files and directories currently installed.)
Preparing to unpack .../pwgen_2.06-1ubuntu4_amd64.deb ...
Unpacking pwgen (2.06-1ubuntu4) ...
Selecting previously unselected package openerp6.1-full.
Preparing to unpack .../openerp6.1-full_6.1-1+dfsg-0ubuntu3_all.deb ...
Unpacking openerp6.1-full (6.1-1+dfsg-0ubuntu3) ...
Processing triggers for man-db (2.7.0.2-2) ...
Setting up openerp6.1-core (6.1-1+dfsg-0ubuntu3) ...
insserv: script openerp-server: service openerp-server already provided!
insserv: exiting now!
update-rc.d: error: insserv rejected the script header
dpkg: error processing package openerp6.1-core (--configure):
 subprocess installed post-installation script returned error exit status 1
Setting up pwgen (2.06-1ubuntu4) ...
No apport report written because the error message indicates its a followup error from a previous failure.
dpkg: dependency problems prevent configuration of openerp6.1-full:
 openerp6.1-full depends on openerp6.1-core; however:
  Package openerp6.1-core is not configured yet.

dpkg: error processing package openerp6.1-full (--configure):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 openerp6.1-core
 openerp6.1-full
Error in function:
Setting up openerp6.1-core (6.1-1+dfsg-0ubuntu3) ...
insserv: script openerp-server: service openerp-server already provided!
insserv: exiting now!
update-rc.d: error: insserv rejected the script header
dpkg: error processing package openerp6.1-core (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of openerp6.1-full:
 openerp6.1-full depends on openerp6.1-core; however:
  Package openerp6.1-core is not configured yet.

dpkg: error processing package openerp6.1-full (--configure):
 dependency problems - leaving unconfigured

ProblemType: Package
DistroRelease: Ubuntu 14.10
Package: openerp6.1-core 6.1-1+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 3.16.0-34.45-generic 3.16.7-ckt8
Uname: Linux 3.16.0-34-generic x86_64
ApportVersion: 2.14.7-0ubuntu8.2
Architecture: amd64
Date: Thu Apr 2 23:28:07 2015
DuplicateSignature: package:openerp6.1-core:6.1-1+dfsg-0ubuntu3:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2014-07-19 (257 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitecture: all
SourcePackage: openerp6.1
Title: package openerp6.1-core 6.1-1+dfsg-0ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to utopic on 2014-12-24 (99 days ago)

[Launchpad Janitor (janitor)]

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