package unity-webapps-common (not installed) failed to install/upgrade: ErrorMessage: Unterprozess dpkg-deb --control gab den Fehlerwert 2 zurück

beowulf@seashell:~$ lsb_release -rd && apt-cache policy webapps-applications
Description: Ubuntu 12.10
Release: 12.10
N: Paket webapps-applications kann nicht gefunden werden

Appeared after first login after upgrade from 12.04 to 12.10.

ProblemType: Package
DistroRelease: Ubuntu 12.10
Package: unity-webapps-common (not installed)
ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
Uname: Linux 3.5.0-18-generic x86_64
ApportVersion: 2.6.1-0ubuntu4
Architecture: amd64
Date: Mon Oct 22 13:38:05 2012
ErrorMessage: ErrorMessage: Unterprozess dpkg-deb --control gab den Fehlerwert 2 zurück
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64+mac (20120425.1)
MarkForUpload: True
SourcePackage: webapps-applications
Title: package unity-webapps-common (not installed) failed to install/upgrade: ErrorMessage: Unterprozess dpkg-deb --control gab den Fehlerwert 2 zurück
UpgradeStatus: Upgraded to quantal on 2012-10-22 (0 days ago)