headers already sent

  • Hi,

    i get an error-message on /wp-admin/customize.php?return=%2Fwp-admin%2Fthemes.php

    Warning: Cannot modify header information – headers already sent by (output started at /home/netsh109459/html/wp-content/plugins/wp-media-category-management/include/class-wp-mcm-plugin.php:759) in /home/netsh109459/html/wp-includes/option.php on line 919

    Warning: Cannot modify header information – headers already sent by (output started at /home/netsh109459/html/wp-content/plugins/wp-media-category-management/include/class-wp-mcm-plugin.php:759) in /home/netsh109459/html/wp-includes/option.php on line 920

    WP 5.0.3
    PHP 7.0.15
    MCM 1.9.2

    thx
    J?rg

Viewing 2 replies - 1 through 2 (of 2 total)
  • Plugin Author DeBAAT

    (@debaat)

    Hai krassomatiker,
    Do you have the same issue when you deactivate the WP-MCM plugin?
    If it does, then the cause is something different.
    If the issue only occurs when WP-MCM is active, could you then send me some more information? Maybe a screen dump?
    Thanks.
    Jan

    Thread Starter krassomatiker

    (@krassomatiker)

    Hi Jan,

    the errormessage appears only for few seconds on the Screen. I can’t make a screenshot.

    Here the beginning of the scource code on wp-admin/customize.php?return=%2Fwp-admin%2Fthemes.php :

    <script type=”text/javascript”>/* <![CDATA[ */var mcm_taxonomies = {“category_media”:{“list_title”:”View all MCM categories”,”term_list”:[{“term_id”:”no_category”,”term_name”:”No MCM categories”}
    ]}};/* ]]> */</script><br />
    <b>Warning</b>: Cannot modify header information – headers already sent by (output started at /home/xxxxxxx/html/wp-content/plugins/wp-media-category-management/include/class-wp-mcm-plugin.php:766) in <b>/home/xxxxxxxx/html/wp-includes/option.php</b> on line <b>919</b><br />
    <br />
    <b>Warning</b>: Cannot modify header information – headers already sent by (output started at /home/xxxxxxxx/html/wp-content/plugins/wp-media-category-management/include/class-wp-mcm-plugin.php:766) in <b>/home/xxxxxxx/html/wp-includes/option.php</b> on line <b>920</b><br />
    <!DOCTYPE html>
    ……

    thx
    J?rg

    • This reply was modified 5 years, 11 months ago by krassomatiker.
Viewing 2 replies - 1 through 2 (of 2 total)
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