Cannot modify header information – headers already sent by

  • Resolved simonbowles2009

    (@simonbowles2009)


    2 years, 6 months ago

    When saving settings in “Search Appearance” for Yoast SEO Plugin i received an error message:

    Warning: Cannot modify header information – headers already sent by (output started at /wp-content/plugins/convertkit/admin/class-convertkit-admin-tinymce.php:104) in /wp-includes/pluggable.php on line 1355

    When looking at “class-convertkit-admin-tinymce.php:104” i came across a html script that doesnt look like it belongs in this file:

    <script type=”text/template” id=”tmpl-convertkit-quicktags-modal”>
    <div id=”convertkit-quicktags-modal”>
    <div class=”media-frame-title”><h1>Title</h1></div>
    <div class=”media-frame-content”>Content</div>
    </div>
    </script>

    I have reinstalled the ConvertKit plugin but the problem still remains.

    The page I need help with: [log in to see the link]

Viewing 4 replies - 1 through 4 (of 4 total)
  • Plugin Author Kit

    (@convertkit)

    Not immediately reproducing this using:
    – WordPress 5.9.3
    – ConvertKit 1.9.7.4
    – Yoast SEO 18.8
    – WP_DEBUG enabled

    Steps taken:
    – Navigate to SEO > Search Appearance
    – Click Media tab
    – Change settings
    – Click Save changes

    Result:

    View post on imgur.com

    Please advise:
    – Precise steps taken to reproduce the issue
    – That the issue only occurs when the ConvertKit Plugin is active

    Thanks!

    Thread Starter simonbowles2009

    (@simonbowles2009)

    I can confirm that this issue only occurs when ConverKit Plugin is active.

    Steps Taken:
    – Navigate to SEO > Search Appearance
    – Click Media tab
    – Change setting from Yes to No
    – Save changes
    Result: https://imgur.com/bFHGMCf

    Also receiving an error when activating the ConverKit plugin.
    Error: https://imgur.com/nYFep9q

    Thread Starter simonbowles2009

    (@simonbowles2009)

    If i comment out the HTML script on line 104 of “class-convertkit-admin-tinymce.php” then everything is perfect, but with the script remaining on line 104 this error persists.

    Plugin Author Kit

    (@convertkit)

    Will resolve in 1.9.7.5, releasing Thursday 12th May 2022 23:59 UTC.

    Thanks!

Viewing 4 replies - 1 through 4 (of 4 total)
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