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1. nursers
   Member
   Posted 4 years ago #

   Hi there,

   I did the 2.3.1 upgrade yesterday, disabled all plugins etc prior. Now I see the following error in the 'Write Post' page:

   WordPress database error: [Table 'mydbname.wp_post2cat' doesn't exist]
   SELECT cat_ID AS ID, MAX(post_modified) AS last_mod FROM wp_posts p LEFT JOIN wp_post2cat pc ON p.ID = pc.post_id LEFT JOIN wp_categories c ON pc.category_id = c.cat_ID WHERE post_status = 'publish' GROUP BY cat_ID

   I can still publish the post fine (it appears) but the same error appear plus an extra line:

   Warning: Cannot modify header information - headers already sent by (output started at /usr/www/users/myuser/mysite/wp-includes/wp-db.php:160) in /usr/www/users/myuser/mysite/wp-includes/pluggable.php on line 391

   This is occurring for me on three installations... any ideas? The errors I've pasted in above come from an installation with up-to-date plugins etc - and never had these errors with 2.3.

   Regards

   David

2. nursers
   Member
   Posted 4 years ago #

   no-one else experiencing this?

3. Tavy315
   Member
   Posted 4 years ago #

   should i try http://codex.wordpress.org/Upgrading_WordPress_Extended

   or it would be better if I take every diff from http://trac.wordpress.org/changeset?old_path=tags%2F2.3&old=6293&new_path=tags%2F2.3.1&new=6293 and do it manually ? :| better not have a broken wp after all, right?

4. nursers
   Member
   Posted 4 years ago #

   I've read through both those and still can't see what the issue is - it's just those error messages but the posts can still be published etc...

5. nursers
   Member
   Posted 4 years ago #

   Found solution on the codex:

   http://trac.wordpress.org/ticket/5044

   Older version of Google Sitemaps was the cause.

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