package apache2 2.4.18-2ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[CEO]

Module mpm_event disabled.
Enabling module mpm_prefork.
info: Executing deferred 'a2enmod php7.0' for package libapache2-mod-php7.0
ERROR: Module php7.0 does not exist!
dpkg: error processing package apache2 (--configure):
 subprocess installed post-installation script returned error exit status 1
Processing triggers for systemd (229-4ubuntu6) ...
Processing triggers for ureadahead (0.100.0-19) ...
Processing triggers for ufw (0.35-0ubuntu2) ...
Errors were encountered while processing:
 apache2
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: apache2 2.4.18-2ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
Uname: Linux 4.4.0-28-generic x86_64
Apache2ConfdDirListing: False
ApportVersion: 2.20.1-0ubuntu2.1
AptOrdering:
 apache2: Install
 libapache2-mod-php7.0: Configure
 apache2: Configure
 NULL: ConfigurePending
Architecture: amd64
Date: Wed Jun 29 23:25:41 2016
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2016-06-14 (15 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: apache2
Title: package apache2 2.4.18-2ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)
error.log:

[Launchpad Janitor (janitor)]

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

[Nish Aravamudan (nacc)]

Hello,

It would appear you have performed multiple removals and adds of apache and php and you first saw this issue in June of 2016 (or some other dpkg error). Is libapache2-mod-php7.0 installed at this point?

Thanks,
Nis

[Launchpad Janitor (janitor)]

[Expired for apache2 (Ubuntu) because there has been no activity for 60 days.]