package postgresql-8.4 8.4.9-0ubuntu0.10.04 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Bruce A. Bednarski]

2011-11-17 13:51:09 GMT FATAL: "/etc/postgresql/8.4/main" is not a valid data directory
2011-11-17 13:51:09 GMT DETAIL: File "/etc/postgresql/8.4/main/PG_VERSION" is missing.
2011-11-17 13:51:14 GMT FATAL: "/etc/postgresql/8.4/main" is not a valid data directory
2011-11-17 13:51:14 GMT DETAIL: File "/etc/postgresql/8.4/main/PG_VERSION" is missing.
2011-11-18 15:16:27 GMT FATAL: "/etc/postgresql/8.4/main" is not a valid data directory
2011-11-18 15:16:27 GMT DETAIL: File "/etc/postgresql/8.4/main/PG_VERSION" is missing.
2011-11-18 15:16:28 GMT FATAL: "/etc/postgresql/8.4/main" is not a valid data directory
2011-11-18 15:16:28 GMT DETAIL: File "/etc/postgresql/8.4/main/PG_VERSION" is missing.

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: postgresql-8.4 8.4.9-0ubuntu0.10.04
ProcVersionSignature: Ubuntu 2.6.32-35.78-generic 2.6.32.46+drm33.20
Uname: Linux 2.6.32-35-generic x86_64
Architecture: amd64
Date: Fri Nov 18 10:16:27 2011
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
SourcePackage: postgresql-8.4
Title: package postgresql-8.4 8.4.9-0ubuntu0.10.04 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Bruce A. Bednarski (bruce-x0)]

How do I fix this problem?

[dino99 (9d9)]

This version has expired some times ago, and no backport is expected as there is no 'security' reported problem