Yoast SEO
[Plugin: WordPress SEO by Yoast] ERROR: Warning: preg_match_all() [function.preg-match-all]: Unknown (2 posts)

  1. bamajr
    Posted 4 years ago #

    I started getting this message, this afternoon, all of a sudden. I wasn't getting it yesterday, and I haven't gotten it most of the day today.

    Warning: preg_match_all() [function.preg-match-all]: Unknown modifier 'P' in /home/bamajr.com/public_html/wp-content/plugins/wordpress-seo/admin/linkdex/linkdex.php on line 476

    This error appears on the "New Post" page and has something to do with the "Focus Keyword" section.

    When I put "Stop SOPA/PIPA: The Great Internet Blackout" in the "Focus Keyword" section, this error occurs. It must have something to do with one of the two special characters.

    I already rated your plugin 5 stars, as I've been using it for a while with great success and I understand this isn't a traditional use of the "Focus Keyword" section.


  2. sulistyo
    Posted 4 years ago #

    Hi Bamajr,you can find the conclusive answer here http://sulistyo.web.id/focus-keyword-error-on-yoast-wordpress-seo-plugin/

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