Warning: Cannot modify header information

  • Hi,

    I installed BBPress and activated it… when I’m registering a new forum user I get the following error message:

    AMP Author Box settings
    Warning: Cannot modify header information – headers already sent by (output started at /………/wp-content/plugins/amp-author-box/amp-author-box.php:320) in /……./wp-includes/pluggable.php on line 1216

    What can I do?

    Toengel@Alex

    The page I need help with: [log in to see the link]

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