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Warning: Cannot modify header information error message (2 posts)

  1. @wealthcop
    Member
    Posted 8 months ago #

    After upgrading to WP 3.8, I noticed that a public the page with [catlist] shortcode displayed an error message:

    Warning: Cannot modify header information - headers already sent by (output started at /home/invivoan/public_html/wp-content/themes/simplebusiness_v1_1/header.php:2) in /home/invivoan/public_html/wp-includes/pluggable.php on line 896

    In case the problem was with the theme, I loaded the new Twenty Fourteen theme and the error message is:

    Warning: Cannot modify header information - headers already sent by (output started at /home/invivoan/public_html/wp-content/themes/twentyfourteen/header.php:13) in /home/invivoan/public_html/wp-includes/pluggable.php on line 896

    When I take away the sections with the [catlist] shortcode, the page loads.

    Yet somehow, the page with [catlist] loaded fine if logged in as admin. In case it matters, site access is controlled uses the Member Access plugin Version 1.1.6 by Chris Abernethy.

    http://wordpress.org/plugins/list-category-posts/

  2. fernandobt
    Member
    Plugin Author

    Posted 8 months ago #

    This is really strange, did you try disabling all of the plugins and enabling them one by one to see which one is the cause of this error? I wasn't able to reproduce the bug on my side, if any other user is having this issue please report it here.

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