package php-ssh2 0.12-39-g3dfe336+0.12-1build1 failed to install/upgrade: subprocess installed post-removal script returned error exit status 1

[harsh gupta]

cannot purge or install any web related appn

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: php-ssh2 0.12-39-g3dfe336+0.12-1build1
ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35
Uname: Linux 4.4.0-59-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
Date: Sun Jan 22 17:53:45 2017
DuplicateSignature:
 package:php-ssh2:0.12-39-g3dfe336+0.12-1build1
 Removing php-ssh2 (0.12-39-g3dfe336+0.12-1build1) ...
 dpkg: error processing package php-ssh2 (--purge):
  subprocess installed post-removal script returned error exit status 1
ErrorMessage: subprocess installed post-removal script returned error exit status 1
InstallationDate: Installed on 2016-10-22 (96 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.18
SourcePackage: php-ssh2
Title: package php-ssh2 0.12-39-g3dfe336+0.12-1build1 failed to install/upgrade: subprocess installed post-removal script returned error exit status 1
UpgradeStatus: Upgraded to xenial on 2016-10-22 (95 days ago)
modified.conffile..etc.php.7.0.mods-available.ssh2.ini: [deleted]