error message: "Cannot modify header information – headers already sent"

  • ejm

    (@llizard)


    10 years, 11 months ago

    We are setting up a new site (not yet live so it cannot be viewed) and have the latest version (7.5) of ww.wp.xz.cn/plugins/font/ installed.

    In the WP dashboard, when going to “Appearance – Header” the following error message appears very briefly before loading the page normally:

    Warning: Cannot modify header information – headers already sent by (output started at /wp-content/plugins/font/Font.php:763) in /wp-includes/option.php on line 772

    How do we fix Font.php in order to stop this conflict?

    Thank you.

    https://ww.wp.xz.cn/plugins/font/

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