Support » Installing WordPress » Fatal error: Cannot redeclare update_page_cache() (previously declared in /data/

  • hello WP,
    after i updated the site i got this error (the company who host the site send me here) (verygames) Fatal error: Cannot redeclare update_page_cache() (previously declared in /data/filer-6/web/web2691/htdocs/wp-includes/post.php:4370) in /data/filer-6/web/web2691/htdocs/wp-includes/deprecated.php on line 3139

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  • Moderator t-p

    (@t-p)

    Volunteer Moderator

    Try:

    -deactivating ALL plugins temporarily to narrow down the problem. If the problem goes away, re-activate them individually (one-by-one) to find the problematic plugin(s).
    If you can’t get into your admin dashboard, try deactivating plugins manually via FTP or phpMyAdmin.

    -switching to the unedited default theme (twenty eleven) for a moment by renaming your current theme’s folder in wp-content/themes. The idea is to force WordPress to fall back to the default theme to rule out any theme-specific issue.
    If you don’t have access to your admin area, then access your server via FTP or SFTP or whatever file management application your host provides.

    -If the above troubleshooting steps do not resolve the issue, re-upload all files and folders EXCEPT the wp-config.php file and the /wp-content/ directory from a fresh download of WordPress. This should replace your core files without changing your content and settings in wp-config.php file and the /wp-content/ directory.

    I have same issue here. and t-p, I already try your suggestion and faced these problems.

    First, via phpMyAdmin, I can’t found the line active_plugin in wp_option table which is written in that Instruction you’d linked. So I can’t deactivated plugin via phpMyAdmin

    Second, deactivated plugin via FTP, I also try to follow the instruction in that link. But nothing changed too.

    Finnaly, I upload fresh download excpet wp-config.php and wp-content and nothing change. But thanks anyway.

    I’m having same problem. I turned off all plugins before upgrade and still no go. I can downgrade back to 3.3.2 just fine though.

    Boy, I’ve upgraded many times and 3.4.1 is the first causing headaches.

    I wonder if it is W3 Total Cache causing probs?

    Moderator t-p

    (@t-p)

    Volunteer Moderator

    esmi

    (@esmi)

    Forum Moderator

    People: Please post your own topics.

Viewing 5 replies - 1 through 5 (of 5 total)
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