package mediawiki (not installed) failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Polax]

Binary package hint: mediawiki

Apache Configuration went bust. I tried uninstalling and reinstalling LAMP, and then LAMP went bust.

Started off by trying to install mediawiki. :(

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: mediawiki (not installed)
ProcVersionSignature: Ubuntu 2.6.32-24.39-generic-pae 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic-pae i686
AptOrdering:
 mediawiki: Install
 mediawiki: Configure
Architecture: i386
Date: Wed Aug 18 17:54:58 2010
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
SourcePackage: mediawiki
Title: package mediawiki (not installed) failed to install/upgrade: subprocess installed post-installation script returned error exit status 1