Support » Installing WordPress » undefined function: update_user_cache

  • i have just downgraded(!) from wp1.5.2 to wp2. backed up files and uploaded wp2. i get:
    Fatal error: Call to undefined function: update_user_cache() in /usr/www/users/xxxx/sc1/wp-settings.php on line 92


    any insight or fixes HIGHLY appreciated. this is the company website and when they find its down i’ll be mdannatt pressed too!

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  • “update_user_cache” appears on line 92 for 1.5.2’s wp-settings.php, but not WP 2.0’s. That means you didn’t delete all the old files (except for wp-content and wp-config.php) when you added the new files.

    Please see this thread on how to upgrade:

    For some reason when I unzipped the 2.0 file the wp-settings.php file didn’t show up. (Was able to duplicate this problem on three desktops and a laptop).

    Unzip it again and see if it’s there then over write the one left from 1.5.2. That fixed it for me.

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