package sipml5-web-phone [phone] failed to install/upgrade: subprocess installed post-installation script returned error exit status 127

[ashutosh raj]

crashes on system restart

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: sipml5-web-phone [phone]
ProcVersionSignature: Ubuntu 4.4.0-119.143-generic 4.4.114
Uname: Linux 4.4.0-119-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.16
Architecture: amd64
Date: Sat Apr 14 18:00:29 2018
ErrorMessage: subprocess installed post-installation script returned error exit status 127
InstallationDate: Installed on 2018-03-14 (35 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.4
 apt 1.2.26
SourcePackage: sipml5
Title: package sipml5-web-phone [phone] failed to install/upgrade: subprocess installed post-installation script returned error exit status 127
UpgradeStatus: No upgrade log present (probably fresh install)