Title: Topics mayhemer Has Replied To | WordPress.org

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# mayhemer

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

 *   [Profile](https://wordpress.org/support/users/mayhemer/)
 *   [Topics Started](https://wordpress.org/support/users/mayhemer/topics/)
 *   [Replies Created](https://wordpress.org/support/users/mayhemer/replies/)
 *   [Reviews Written](https://wordpress.org/support/users/mayhemer/reviews/)
 *   [Topics Replied To](https://wordpress.org/support/users/mayhemer/replied-to/)
 *   [Engagements](https://wordpress.org/support/users/mayhemer/engagements/)
 *   [Favorites](https://wordpress.org/support/users/mayhemer/favorites/)

## Topics Replied To

Viewing 2 replies - 1 through 2 (of 2 total)

    - Topic
    - Participants
    - Replies
    - Last Post
 *  -  [[W3 Total Cache] Fatal error: Call to undefined function apply_filters() in define.php on line 11](https://wordpress.org/support/topic/fatal-error-call-to-undefined-function-apply_filters-in-definephp-on-line-11/)
    -   Started by: [mayhemer](https://wordpress.org/support/users/mayhemer/)   
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 4
    - 5
    -  [13 years, 2 months ago](https://wordpress.org/support/topic/fatal-error-call-to-undefined-function-apply_filters-in-definephp-on-line-11/#post-3824837)
    -  [Pereira](https://wordpress.org/support/users/marcosmyara/)
 *  -  [[Yoast SEO - Advanced SEO with real-time guidance and built-in AI] [Plugin: WordPress SEO by Yoast] Focus Keyword – diacritics](https://wordpress.org/support/topic/plugin-wordpress-seo-by-yoast-focus-keyword-diacritics/)
    -   Started by: [JohnnyPea](https://wordpress.org/support/users/johnnypea/)   
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 3
    - 2
    -  [13 years, 7 months ago](https://wordpress.org/support/topic/plugin-wordpress-seo-by-yoast-focus-keyword-diacritics/#post-2655756)
    -  [mayhemer](https://wordpress.org/support/users/mayhemer/)
 *   

Viewing 2 replies - 1 through 2 (of 2 total)