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[resolved] Fatal Error when trying to upgrade to 3.3 from 3.2.1 (3 posts)

  1. chucklebum0205
    Member
    Posted 2 years ago #

    Hi there,

    Anyone help me with a fix - I get a "Cannot redeclare class Plugin_Upgrader in ...\httpdocs\wp-admin\includes\class-wp-upgrader.php on line 593" - I've removed the full url here but can anyone shed any light on where to look for a fix?

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

    Try:
    - switching to the Twenty Eleven theme by renaming your current theme's folder in wp-content/themes and adding "-old" to the end of the folder name using FTP or whatever file management application your host provides.

    - resetting the plugins folder by FTP or phpMyAdmin.

    - re-uploading all files & folders - except the wp-content folder - from a fresh download of WordPress.

    - re-running the upgrade via wp-admin/upgrade.php

  3. chucklebum0205
    Member
    Posted 2 years ago #

    It was a theme problem - swapping it out and re-enabling it after the upgrade worked in the end - strange as its the first time an upgrade has failed and i've used this theme for the past two years without any issues with upgrading in the past.

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