package php7.0-common 7.0.18-0ubuntu0.16.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128

[Rogério]

package php7.0-common 7.0.18-0ubuntu0.16.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: php7.0-common 7.0.18-0ubuntu0.16.04.1
ProcVersionSignature: Ubuntu 4.8.0-53.56~16.04.1-generic 4.8.17
Uname: Linux 4.8.0-53-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.6
Architecture: amd64
Date: Mon May 29 14:38:01 2017
ErrorMessage: subprocess installed post-installation script returned error exit status 128
InstallationDate: Installed on 2017-05-15 (15 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.20
SourcePackage: php7.0
Title: package php7.0-common 7.0.18-0ubuntu0.16.04.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

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

[Nish Aravamudan (nacc)]

Hello and thank you for filing this bug report! I believe this is a known issue with update-manager and some packages (no root cause found yet). Please simply run:

sudo apt update

then

sudo apt full-upgrade
or
sudo apt -f install

in a terminal to finish installing PHP.