• Hello,

    For some reasons, I am using “Event List” with “The Event Calendar” on the same website. (Event List is for the list of visitors, The Event Calendar is for the list of seminars.)
    Somehow, if both plugins are on, then
    I can’t access the “All Events” menu in the admin screen
    for the event list.
    Here’s the error message
    Warning: Cannot modify header information – headers already sent by (output started at /var/www/html/wp-includes/formatting.php:5100) in /var/www/html/wp-includes/pluggable.php on line 1219

    If I turn off “The Event Calendar”, then this problem disappears.

    Can you please help me? Thanks.

    PS. One suggestion — it would be nice to be able to change “Events” to “Visitors” in the admin page. I’ve been using my own “po” file to do so.

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  • I have the same problem … how can i solve it?

    Warning: Cannot modify header information - headers already sent by (output started at XXX/html/wp-admin/includes/template.php:2195) in XXX/html/wp-includes/pluggable.php on line 1223

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  • The topic ‘“Cannot modify header information” error in the Admin menu “All Events”’ is closed to new replies.