package drupal6 6.26-1.1ubuntu1 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1

I do not know.

ProblemType: Package
DistroRelease: Ubuntu 12.10
Package: drupal6 6.26-1.1ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-45.68-generic 3.5.7.26
Uname: Linux 3.5.0-45-generic i686
ApportVersion: 2.6.1-0ubuntu13
Architecture: i386
Date: Sun Jan 26 08:53:55 2014
DuplicateSignature: package:drupal6:6.26-1.1ubuntu1:subprocess installed pre-removal script returned error exit status 1
ErrorMessage: subprocess installed pre-removal script returned error exit status 1
InstallationDate: Installed on 2014-01-21 (5 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: drupal6
Title: package drupal6 6.26-1.1ubuntu1 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)