can not update the drupal package

[Michael Zoet]

Hi to all,


when I try to update Drupal on my Server I get the following error
message:

Setting up drupal-5.1 (5.1-0ubuntu2.3) ...
dbconfig-common: writing config to /etc/dbconfig-common/drupal-5.1.conf
Replacing config file /etc/drupal/5.1/sites/default/dbconfig.php with
new version
dbconfig-common: flushing administrative password
dpkg: error processing drupal-5.1 (--configure):
 subprocess post-installation script returned error exit status 1
Setting up python2.5 (2.5.1-0ubuntu1.1) ...

Errors were encountered while processing:
 drupal-5.1
E: Sub-process /usr/bin/dpkg returned an error code (1)

Does someone know what is wrong here. It is a normal Drupal
installation... The Server runs with feisty.

greetings,

Michael