Title: jaimeph's Replies | WordPress.org

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# jaimeph

  [  ](https://wordpress.org/support/users/jaimeph/)

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## Forum Replies Created

Viewing 1 replies (of 1 total)

 *   Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    In
   reply to: [[TablePress - Tables in WordPress made easy] 2.2.2 Upgrade Error](https://wordpress.org/support/topic/2-2-2-upgrade-error/)
 *  [jaimeph](https://wordpress.org/support/users/jaimeph/)
 * (@jaimeph)
 * [2 years, 8 months ago](https://wordpress.org/support/topic/2-2-2-upgrade-error/#post-17185932)
 * Very interesting.
 * I’ve just completed an upgrade and got this error on the Stackable plugin instead.
 * I also upgraded TablePress to 2.2.2 in the same batch after updating Stackable.
 * This makes me wonder if this is not specific to a plugin but has something to
   do with WordPress and/or WPEngine (we are also with WPEngine).
 *     ```wp-block-code
       Uncaught Error: Call to undefined function fs_get_optional_constant() in /nas/content/live/site/wp-content/plugins/stackable-ultimate-gutenberg-blocks/freemius/includes/class-freemius.php:1361
   
       Stack trace:
       #0 /nas/content/live/site/wp-includes/class-wp-hook.php(310): Freemius->_run_garbage_collector('')
   
       #1 /nas/content/live/site/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters(NULL, Array)
   
       #2 /nas/content/live/site/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
   
       #3 /nas/content/live/site/wp-settings.php(495): do_action('plugins_loaded')
   
       #4 /nas/content/live/site/wp-config.php(120): require_once('/nas/content/li...')
   
       #5 /nas/content/live/site/wp-load.php(50): require_once('/nas/content/li...')
   
       #6 /nas/content/live/site/wp-admin/admin-ajax.php(22): require_once('/nas/content/li...')
   
       #7 {main}
         thrown
       ```
   

Viewing 1 replies (of 1 total)