package libapparmor1:i386 2.10.95-0ubuntu2.6 failed to install/upgrade: package libapparmor1:i386 is already installed and configured

Ubuntu Software Centre.I was removing GMail and wanted to install Thunderbird and the laptop came up with an error message.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libapparmor1:i386 2.10.95-0ubuntu2.6
ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35
Uname: Linux 4.4.0-59-generic i686
ApportVersion: 2.20.1-0ubuntu2.5
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: i386
CrashReports:
 640:1000:116:1949570:2017-05-24 17:55:31.882091777 +1000:2017-05-25 16:59:10.961057216 +1000:/var/crash/_usr_lib_i386-linux-gnu_hud_hud-service.1000.crash
 600:0:116:69110:2017-05-25 17:09:31.542498111 +1000:2017-05-25 17:09:32.542498111 +1000:/var/crash/libapparmor1:i386.0.crash
Date: Thu May 25 17:09:32 2017
Dependencies:
 gcc-6-base 6.0.1-0ubuntu1
 libc6 2.23-0ubuntu7
 libgcc1 1:6.0.1-0ubuntu1
DpkgHistoryLog:
 Start-Date: 2017-05-25 17:09:32
 Commandline: aptdaemon role='role-remove-packages' sender=':1.81'
 Remove: gnome-gmail:i386 (2.0.1-2)
DpkgTerminalLog:
 dpkg: error processing package libapparmor1:i386 (--configure):
  package libapparmor1:i386 is already installed and configured
ErrorMessage: package libapparmor1:i386 is already installed and configured
InstallationDate: Installed on 2016-07-26 (302 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release i386 (20160420.1)
ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-4.4.0-59-generic root=UUID=73307dc5-f04d-4985-84a2-d6a65c957cce ro quiet splash vt.handoff=7
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.18
SourcePackage: dpkg
Syslog: May 25 17:05:20 geoff-E6228 dbus[820]: [system] AppArmor D-Bus mediation is enabled
Title: package libapparmor1:i386 2.10.95-0ubuntu2.6 failed to install/upgrade: package libapparmor1:i386 is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)