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Cannot modify header information - headers already sent by... (1 post)

  1. hithalynn
    Member
    Posted 4 months ago #

    I need help fixing an error in my WP site. The error is this:

    Warning: Invalid argument supplied for foreach() in /home4/hitha/public_html/wp-includes/update.php on line 267

    Warning: Cannot modify header information - headers already sent by (output started at /home4/hitha/public_html/wp-includes/update.php:267) in /home4/hitha/public_html/wp-content/plugins/slidedeck2-personal/lib/flash.php on line 63

    The error is causing my slidedeck to malfunction. I don't know much about code so not sure how to fix it!

    The line in question is this (the last line of this group)

    function wp_plugin_update_row( $file, $plugin_data ) {
    $current = get_site_transient( 'update_plugins' );
    if ( !isset( $current->response[ $file ] ) )
    return false;

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