package lua-rex-pcre (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/x86_64-linux-gnu/liblua5.1-rex-pcre.so.0.0.0', which is also in package liblua5.1-rex-pcre0:amd64 2.5.3-2

[Eoin Byrne]

I am getting this error message on start-up

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: lua-rex-pcre (not installed)
ProcVersionSignature: Ubuntu 3.13.0-46.79~precise1-generic 3.13.11-ckt15
Uname: Linux 3.13.0-46-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.7
Architecture: amd64
Date: Fri Oct 9 19:18:46 2015
DuplicateSignature: package:lua-rex-pcre:(not installed):trying to overwrite '/usr/lib/x86_64-linux-gnu/liblua5.1-rex-pcre.so.0.0.0', which is also in package liblua5.1-rex-pcre0:amd64 2.5.3-2
ErrorMessage: trying to overwrite '/usr/lib/x86_64-linux-gnu/liblua5.1-rex-pcre.so.0.0.0', which is also in package liblua5.1-rex-pcre0:amd64 2.5.3-2
InstallationDate: Installed on 2014-04-11 (547 days ago)
InstallationMedia: Xubuntu 12.04.4 LTS "Precise Pangolin" - Release amd64 (20140205)
SourcePackage: lua-rexlib
Title: package lua-rex-pcre (not installed) failed to install/upgrade: trying to overwrite '/usr/lib/x86_64-linux-gnu/liblua5.1-rex-pcre.so.0.0.0', which is also in package liblua5.1-rex-pcre0:amd64 2.5.3-2
UpgradeStatus: Upgraded to trusty on 2014-05-03 (526 days ago)