url-dispatcher gets error when updating cache

[Huck-bernhard]

$ sudo apt-get install unity8-desktop-session-mir

ProblemType: RecoverableProblem
DistroRelease: Ubuntu 14.10
Package: url-dispatcher 0.1+14.10.20140619-0ubuntu1
ProcVersionSignature: Ubuntu 3.15.0-6.11-generic 3.15.0
Uname: Linux 3.15.0-6-generic i686
ApportVersion: 2.14.3-0ubuntu2
Architecture: i386
CacheDBFiles:
 /usr/share/url-dispatcher/urls/webbrowser-app.url-dispatcher|1403256400
 /usr/share/url-dispatcher/urls/ubuntu-system-settings.url-dispatcher|1403104076
CacheDBTables: configfiles urls
CacheDBURLS:
 1|http|
 1|https|
 2|settings|
CurrentDesktop: Unity
Date: Sat Jun 21 12:56:55 2014
DuplicateSignature: url-dispatcher-update-sqlite-fileupdate-error
ExecutablePath: /usr/lib/i386-linux-gnu/url-dispatcher/update-directory
Filename: /usr/share/url-dispatcher/urls/webbrowser-app.url-dispatcher
InstallationDate: Installed on 2014-06-13 (7 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Alpha i386 (20140613)
ProcCmdline: /usr/lib/i386-linux-gnu/url-dispatcher/update-directory /usr/share/url-dispatcher/urls/webbrowser-app.url-dispatcher
SourcePackage: url-dispatcher
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Launchpad Janitor (janitor)]

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

[greg (gcrosby5269)]

       I attempted unity 8 because after upstart I have no launcher , hud or anything else but nlank screen. I gained access to the system by creating anew folder, in the center of my screen, using nautilus. Then I went to /usr/share/applications to use the system.

[greg (gcrosby5269)]

Blank screen...

[Ted Gould (ted)]

https://errors.ubuntu.com/bucket/?id=url-dispatcher-update-sqlite-fileupdate-error