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1. SRD75
   Member
   Posted 5 months ago #

   In wp-admin, I clicked to automatically upgrade from WP 3.2.1 to 3.3.

   After the upgrade was finished, /wp-admin/about.php?upgraded (or similar, can't remember exact URL) tried to load, but I received the error:

   Fatal error: Call to undefined function get_option() in /home/erotic/public_html/wp-admin/admin.php on line 32

   I renamed /wp-content/plugins to /wp-content/plugins.bad without change.
   I renamed /wp-content/themes/currenttheme to /wp-content/themes/currenttheme.bad without change.

   I downloaded WP 3.3, unzipped, and uploaded /wp-admin over the top, without change.

   Same thing with uploading /wp-includes, still the same error.

2. SRD75
   Member
   Posted 5 months ago #

   The automatic upgrade from 3.2.1 to 3.3 worked for me yesterday on a different domain.

   On this current problem domain, I moved /wp-content/themes/currenttheme.bad out of /wp-content/themes/, deleted the /twentyeleven theme, and uploaded the latest /twentyeleven theme, and this is now the only theme in /wp-content/themes, but the problem remains.

3. SRD75
   Member
   Posted 5 months ago #

   I unzipped /wp-admin and /wp-includes again, renamed them both on the host, and uploaded them again.

   Same problem. Looks like a database corruption.

4. SRD75
   Member
   Posted 5 months ago #

   Not a database problem.

   There were 6 files in the web root which had a file size of 0 bytes. These were:

   wp-app.php
   wp-comments-post.php
   wp-links-opml.php
   wp-mail.php
   wp-settings.php
   wp-trackback.php

   Uploading unzipped copies of these removed the error. /wp-admin then went on to request a database upgrade, which completed successfully.

5. SRD75
   Member
   Posted 5 months ago #

   Same problem cause also mentioned in this thread.

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