apport claims duplicate of a non-existing bug

[Guntbert Reiter]

Wireshark crashed, the apport-Details dialog came up.

One line read

Duplicate: https://bugs.launchpad.net/bugs/1276753 - which seemingly doesn't exist - see screenshot

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: apport-gtk 2.14.1-0ubuntu3.2
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
CrashReports:
 640:1000:116:6653434:2014-08-13 09:29:04.772171258 +0200:2014-08-13 09:29:06.796171357 +0200:/var/crash/_usr_bin_wireshark.1000.crash
 600:109:116:0:2014-08-13 09:29:23.304171654 +0200:2014-08-13 09:28:20.432170524 +0200:/var/crash/_usr_bin_wireshark.1000.uploaded
 664:1000:116:0:2014-08-13 09:29:06.188171346 +0200:2014-08-13 09:29:06.188171346 +0200:/var/crash/_usr_bin_wireshark.1000.upload
CurrentDesktop: Unity
Date: Wed Aug 13 09:32:24 2014
InstallationDate: Installed on 2014-07-08 (35 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitecture: all
SourcePackage: apport
UpgradeStatus: No upgrade log present (probably fresh install)

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

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