package maas-region-controller 1.5.4+bzr2294-0ubuntu1.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[natarajan]

i have the error

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: maas-region-controller 1.5.4+bzr2294-0ubuntu1.1
ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8
Uname: Linux 3.13.0-39-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
Date: Sun Jan 18 18:20:16 2015
DpkgHistoryLog:
 Start-Date: 2015-01-18 18:19:13
 Commandline: apt-get install bluez bluez-alsa bluez-audio bluez-btsco bluez-compat bluez-cups bluez-dbg bluez-gstreamer bluez-hcidump bluez-pcmcia-support bluez-tools bluez-utils python-bluez bluewho indicator-bluetooth libbluetooth-dev libgnome-bluetooth11 libbluetooth3
 Install: bluez-btsco:amd64 (0.50-0ubuntu4), bluez-gstreamer:amd64 (4.101-0ubuntu13), bluetooth:amd64 (4.101-0ubuntu13, automatic), bluez-compat:amd64 (4.101-0ubuntu13), libbluetooth3-dbg:amd64 (4.101-0ubuntu13, automatic), bluez-utils:amd64 (4.101-0ubuntu13), libbluetooth-dev:amd64 (4.101-0ubuntu13), bluewho:amd64 (0.1-1), setserial:amd64 (2.17-48, automatic), bluez-tools:amd64 (0.1.38+git662e-3), bluez-pcmcia-support:amd64 (4.101-0ubuntu13), bluez-dbg:amd64 (4.101-0ubuntu13), bluez-audio:amd64 (4.101-0ubuntu13), bluez-hcidump:amd64 (2.5-1)
DuplicateSignature: package:maas-region-controller:1.5.4+bzr2294-0ubuntu1.1:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2014-06-15 (216 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitecture: all
SourcePackage: maas
Title: package maas-region-controller 1.5.4+bzr2294-0ubuntu1.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)