package webcalendar 1.2.0 dfsg-4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

Binary package hint: webcalendar

You are using Ubuntu 10.04 LTS
                - the Lucid Lynx - released in April 2010 and supported until April 2013.

   Version table:
 *** 1.2.0+dfsg-4 0
        500 http://nl.archive.ubuntu.com/ubuntu/ lucid/universe Packages
        100 /var/lib/dpkg/status

expected normal install, but something went wrong...

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: webcalendar 1.2.0+dfsg-4
ProcVersionSignature: Ubuntu 2.6.32-24.41-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic i686
Architecture: i386
Date: Fri Sep 3 13:03:42 2010
DpkgTerminalLog:

ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100427.1)
PackageArchitecture: all
SourcePackage: webcalendar
Title: package webcalendar 1.2.0+dfsg-4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1