Error when using Classic Editor plugin and RankMathSEO

  • Resolved Naota

    (@jozuakunn)


    4 months, 3 weeks ago

    Error when using Classic Editor plugin and RankMathSEO.
    Hi everybody,
    My site is using Classic Editor and RankMathSEO, my dashboard is okay if I disable one of them.
    When I activate both, in my BE of post / page, I can not toggle Rank Math SEO section nor create or edit posts.
    Below the post, it shows an error in some files of RankMathSEO, …
    I used the Query Monitor plugin and this is the message.

    “Fatal error: Uncaught Error: Object of class CMB2_Field could not be converted to string

    in /var/www/dbc47fb3-711d-4d82-b278-760df837caa8/public_html/wp-content/plugins/seo-by-rank-math/vendor/cmb2/cmb2/includes/CMB2_Base.php on line 249

    Call stack:

    CMB2_Base::peform_param_callback()
    wp-content/plugins/seo-by-rank-math/vendor/cmb2/cmb2/includes/CMB2_Field.php:872
    CMB2_Field::render_field()
    wp-content/plugins/seo-by-rank-math/vendor/cmb2/cmb2/includes/CMB2.php:472
    CMB2::render_field()
    wp-content/plugins/seo-by-rank-math/vendor/cmb2/cmb2/includes/CMB2.php:268
    CMB2::show_form()
    wp-content/plugins/seo-by-rank-math/vendor/cmb2/cmb2/includes/CMB2_Hookup.php:736
    CMB2_Hookup::metabox_callback()
    wp-admin/includes/template.php:1456
    do_meta_boxes()
    wp-admin/edit-form-advanced.php:723
    require()
    wp-admin/post.php:206”

    Site is on the latest WP and PHP 8.
    Message:

    View post on imgur.com

    View post on imgur.com

    I appreciate any help. Thank you.

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