Fatal error after WP upgrade

  • Fatal error: Call to undefined function wp_json_encode() in /homepages/36/d89790622/htdocs/wp-admin/includes/misc.php on line 668

    Can not get to the admin page.

    Please advise… Thank you.

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  • HI,

    1- Download WordPress again and replace all the files except wp-config.php file.
    2- Reset all your plugins manually. If issue get resolved then activate all of them one by one.

    Check if problem still exists.

Viewing 1 replies (of 1 total)
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