Support » Plugin: Swift Performance Lite » unable to remove (admin)user

  • Removing a user with caching enabled throws an error. After disabling caching no issue. The new WP5.2 healthchecker even send me an email about it:

    Een fout van het type E_ERROR werd veroorzaakt op regelnummer 1169 van het bestand /home/openhofswp222/public_html/wp-content/plugins/swift-performance-lite/modules/cache/cache.php. Foutmelding: Uncaught Error: Call to a member function getAllKeys() on null in /home/openhofswp222/public_html/wp-content/plugins/swift-performance-lite/modules/cache/cache.php:1169
    Stack trace:
    #0 /home/openhofswp222/public_html/wp-includes/class-wp-hook.php(288): Swift_Performance_Cache::clear_user_cache(121)
    #1 /home/openhofswp222/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array)
    #2 /home/openhofswp222/public_html/wp-includes/plugin.php(465): WP_Hook->do_action(Array)
    #3 /home/openhofswp222/public_html/wp-admin/includes/user.php(363): do_action(‘delete_user’, 121, NULL)
    #4 /home/openhofswp222/public_html/wp-admin/users.php(196): wp_delete_user(121)
    #5 {main}


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  • Plugin Contributor Fred


    We’re not able to reproduce this from our side, so maybe it’s a third party plugin issue? Either way, contact us over at our support center ( and one of our technicians can experience this first-hand for your site and help to figure out why this is happening for your installation.

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