[Mediawiki-l] Upgrading to 1.5.0 fails....

[erchache2000]

Hi, i have my server on 1.4.11 and when try to upgrade to 1.5.0 show this:


  MediaWiki 1.5.0 installation

/Please include all of the lines below when reporting installation 
problems./


    Checking environment...

    * PHP 4.3.10-10ubuntu4.1: ok
    * PHP server API is apache2handler; ok, using pretty URLs
      (index.php/Page_Title)
    * Have XML / Latin1-UTF-8 conversion support.
    * PHP's memory_limit is 20M. *If this is too low, installation may
      fail!*
    * Have zlib support; enabling output compression.
    * Turck MMCache <http://turck-mmcache.sourceforge.net/> installed
    * Found GNU diff3: /usr/bin/diff3.
    * Found ImageMagick: /usr/bin/convert; image thumbnailing will be
      enabled if you enable uploads.
    * Found GD graphics library built-in.
    * Installation directory: /var/www
    * Script URI path:
    * *PHP is linked with old MySQL client libraries. If you are using a
      MySQL 4.1 server and have problems connecting to the database, see
      http://dev.mysql.com/doc/mysql/en/old-client.html for help.*
    * Trying to connect to MySQL on horamedi.us.es as root...
          o Connected as root (automatic)
    * Connected to 4.0.23_Debian-3ubuntu2.1-log; enabling MySQL 4
      enhancements
    * Database wikidb exists
    * There are already MediaWiki tables in this database. Checking if
      updates are needed...
    * DB user account ok

...hitcounter table already exists.
...querycache table already exists.
...objectcache table already exists.
...categorylinks table already exists.
...logging table already exists.
Creating validate table...ok
...user_newtalk table already exists.
Creating transcache table...ok
Creating trackbacks table...ok
...have ipb_id field in ipblocks table.
...have ipb_expiry field in ipblocks table.
...have rc_type field in recentchanges table.
...have rc_ip field in recentchanges table.
...have rc_id field in recentchanges table.
...have rc_patrolled field in recentchanges table.
...have user_real_name field in user table.
...have user_token field in user table.
Adding user_email_token field to table user...ok
...have log_params field in logging table.
Adding ar_rev_id field to table archive...ok
Adding ar_text_id field to table archive...ok
...page table does not exist, skipping new field patch
...revision table does not exist, skipping new field patch
Adding img_width field to table image...ok
Adding img_metadata field to table image...ok
Adding img_media_type field to table image...ok
...have val_ip field in validate table.
...have ss_total_pages field in site_stats table.
Adding iw_trans field to table interwiki...ok
...already have interwiki table
...indexes seem up to 20031107 standards
Converting links table to ID-ID...
Schema already converted
...image primary key already set.
Adding wl_notificationtimestamp field for email notification management.ok
...user table does not contain old email authentication field.
Logging table has correct title encoding.
...converting from cur/old to page/revision/text DB structure.
1129308400......checking for duplicate entries.
1129308401......Creating tables.
1129308401......Locking tables.
1129308401......maxold is 152395
1129308401......Moving text from cur.
1129308411......Setting up revision table.
1129308589......Setting up page table.
1129308596......Unlocking tables.
1129308596......Renaming old.
1129308596...done.
revision timestamp indexes already up to 2005-03-13
Adding rev_text_id field... ok
...page_namespace is already a full int (int(11)).
Promoting ar_namespace from tinyint(2) unsigned to int... ok
Promoting rc_namespace from tinyint(3) to int... ok
Promoting wl_namespace from tinyint(2) unsigned to int... ok
Promoting qc_namespace from tinyint(2) unsigned to int... ok
Promoting log_namespace from tinyint(3) unsigned to int... ok
Converting links and brokenlinks tables to pagelinks... Query "INSERT INTO pagelinks (pl_from,pl_namespace,pl_title) SELECT bl_from, 0, bl_to FROM brokenlinks" failed with error code "".
  



Why fails on links conversion? How i can solve it or find documentation 
about that?

Thanks.