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Upgraded to 3.0.1 (3 posts)

  1. dianecox
    Posted 3 years ago #

    Site is missing and this error comes up:
    Fatal error: Call to undefined function is_multisite() in /home/accelerated/www/www/wp-includes/wp-db.php on line 505

    This is not a multi-site blog so I am confused. Plus it is a business site, so I am also desperate!

  2. esmi
    Theme Diva & Forum Moderator
    Posted 3 years ago #

    - switching to the default theme by renaming your current theme's folder in wp-content/themes using FTP or whatever file management application your host provides.

    - resetting the plugins folder by FTP or phpMyAdmin.

    - re-running the upgrade manually using /wp-admin/upgrade.php.

  3. Gisha James
    Posted 3 years ago #


    See this thread: http://wordpress.org/support/topic/call-to-undefined-function-is_multisite-after-wordpress-30-upgrade?replies=28

    Overwriting wp-settings.php with that of a fresh installation, worked for many.

    It is worth, reading the full post.

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