Title: fatal error
Last modified: July 25, 2020

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# fatal error

 *  Resolved [clazkart](https://wordpress.org/support/users/clazkart/)
 * (@clazkart)
 * [5 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-3567/)
 * i am getting following error while activating the plugin
 * Fatal error: Uncaught Error: Call to undefined method WP_Error::get_setting_id()
   in /home/ttvgkjwn/public_html/wp-content/plugins/wp-optimize/includes/class-wp-
   optimize-options.php:431 Stack trace: #0 /home/ttvgkjwn/public_html/wp-content/
   plugins/wp-optimize/wp-optimize.php(2161): WP_Optimize_Options->set_default_options()#
   1 /home/ttvgkjwn/public_html/wp-includes/class-wp-hook.php(287): wpo_activation_actions(”)#
   2 /home/ttvgkjwn/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(”,
   Array) #3 /home/ttvgkjwn/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(
   Array) #4 /home/ttvgkjwn/public_html/wp-admin/plugins.php(179): do_action(‘activate_wp-
   opt…’) #5 {main} thrown in /home/ttvgkjwn/public_html/wp-content/plugins/wp-optimize/
   includes/class-wp-optimize-options.php on line 431

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

 *  [Marc Lacroix](https://wordpress.org/support/users/marcusig/)
 * (@marcusig)
 * [5 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-3567/#post-13191542)
 * Hi there,
 * Thanks for reporting this.
    Did you have the premium version previously installed?
 * Marc.
 *  Thread Starter [clazkart](https://wordpress.org/support/users/clazkart/)
 * (@clazkart)
 * [5 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-3567/#post-13211147)
 * not premium version , i am using free version
 *  [Marc Lacroix](https://wordpress.org/support/users/marcusig/)
 * (@marcusig)
 * [5 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-3567/#post-13217007)
 * Thanks.
    It looks like some files could be missing. I would recommend deleting
   the plugin (probably via FTP) and re-installing it. We’ll also look into preventing
   the error.
 *  Thread Starter [clazkart](https://wordpress.org/support/users/clazkart/)
 * (@clazkart)
 * [5 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-3567/#post-13227785)
 * i tried reinstalling . but no use . same error facing >
 *  Plugin Support [bcrodua](https://wordpress.org/support/users/bcrodua/)
 * (@bcrodua)
 * [5 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-3567/#post-13238096)
 * Hi,
 * Can you try to deactivate all the other plugins except WP-O? do you still get
   the same issue? There could be conflict between WP-O and other plugins you are
   using.
 * Regards,
    Bryle

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

The topic ‘fatal error’ is closed to new replies.

 * ![](https://ps.w.org/wp-optimize/assets/icon-256x256.png?rev=1552899)
 * [WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance](https://wordpress.org/plugins/wp-optimize/)
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 * [Support Threads](https://wordpress.org/support/plugin/wp-optimize/)
 * [Active Topics](https://wordpress.org/support/plugin/wp-optimize/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wp-optimize/unresolved/)
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## Tags

 * [fatal](https://wordpress.org/support/topic-tag/fatal/)

 * 5 replies
 * 3 participants
 * Last reply from: [bcrodua](https://wordpress.org/support/users/bcrodua/)
 * Last activity: [5 years, 10 months ago](https://wordpress.org/support/topic/fatal-error-3567/#post-13238096)
 * Status: resolved