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Warning: Cannot modify header information - headers already sent by (6 posts)

  1. Linked Local Network
    Member
    Posted 2 years ago #

    I installed Feedwordpress on a new wp3.4 website. The only plugins active is Jetpack. I receive the following errors:
    Warning: Cannot modify header information - headers already sent by (output started at /homepages/39/d284713208/htdocs/llnwheeling/wp-content/plugins/feedwordpress/feedwordpress.php:1) in /homepages/39/d284713208/htdocs/llnwheeling/wp-includes/option.php on line 563

    Warning: Cannot modify header information - headers already sent by (output started at /homepages/39/d284713208/htdocs/llnwheeling/wp-content/plugins/feedwordpress/feedwordpress.php:1) in /homepages/39/d284713208/htdocs/llnwheeling/wp-includes/option.php on line 564

    I created a campaign and the campaign posts from the feed I added but I get the error message no matter what I do in the wordpress dashboard.

    If I try to add a new category I receive the following error message:
    Warning: Cannot modify header information - headers already sent by (output started at /homepages/39/d284713208/htdocs/llnwheeling/wp-content/plugins/feedwordpress/feedwordpress.php:1) in /homepages/39/d284713208/htdocs/llnwheeling/wp-includes/class-wp-ajax-response.php on line 129
    LLN]]> ]]>

    Please help.

    http://wordpress.org/extend/plugins/feedwordpress/

  2. jedh6567
    Member
    Posted 2 years ago #

    Go to the plugin page and click edit. Then search for this string "wp_admin_css('css/dashboard')" when you find it comment it out with 2 forward slashes "//". So when you're done it looks like this "//wp_admin_css('css/dashboard')". I'm not sure why it throws the error but it went away after I commented out that line of code.

    Good Luck

  3. Linked Local Network
    Member
    Posted 2 years ago #

    Hi jedh6567

    Thanks for the info. I tried that fix and I still get the error. It looks like it blows up on Line 1 of feedwordpress.php. Anyone else have any ideas?

  4. Linked Local Network
    Member
    Posted 2 years ago #

    I've deactivated all plugins. When I activate the plugin I receive the following message:

    The plugin generated 4 characters of unexpected output during activation. If you notice “headers already sent” messages, problems with syndication feeds or other issues, try deactivating or removing this plugin.

    Any thoughts?

  5. ilittauer
    Member
    Posted 2 years ago #

    I am receiving the same error. Does anybody have a remedy? Thanks!

  6. ainachris
    Member
    Posted 1 year ago #

    I left a comment on a different note but this is the same error that I received. I am running wordpress multisite and I saw the same error. It said:

    Warning: Cannot modify header information - headers already sent by (output started at /homepages/39/d284713208/htdocs/llnwheeling/wp-content/plugins/feedwordpress/feedwordpress.php:1) in /homepages/39/d284713208/htdocs/llnwheeling/wp-includes/option.php on line 563

    Warning: Cannot modify header information - headers already sent by (output started at /homepages/39/d284713208/htdocs/llnwheeling/wp-content/plugins/feedwordpress/feedwordpress.php:1) in /homepages/39/d284713208/htdocs/llnwheeling/wp-includes/option.php on line 564

    I will try to comment out the lines that were mentioned above. Is there an update expected for this issue?

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