package mistral-common 2.0.0-1ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

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ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: mistral-common 2.0.0-1ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-97.120-generic 4.4.87
Uname: Linux 4.4.0-97-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.14
Architecture: amd64
Date: Mon Dec 18 19:10:59 2017
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2016-12-21 (362 days ago)
InstallationMedia: Xubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.3
 apt 1.2.24
SourcePackage: mistral
Title: package mistral-common 2.0.0-1ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)