Last updated February 17, 2010. Created on February 17, 2010.
Edited by LeeHunter. Log in to edit this page.

Currently (September 13th, 2009) there is a problem if you have more than 39 taxonomy defined when upgrading from Drupal 5.19 to Drupal 6.13. All defined tid's above 39 in the term_node table are deleted in the update process.

Here's how to to fix it manually:
http://drupal.org/node/569534#comment-2018056

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