Title: Getting Warnings with this plugin
Last modified: August 22, 2016

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# Getting Warnings with this plugin

 *  [bryanhiggs](https://wordpress.org/support/users/bryanhiggs/)
 * (@bryanhiggs)
 * [11 years, 3 months ago](https://wordpress.org/support/topic/getting-warnings-with-this-plugin/)
 * I’m getting the following warnings with this plugin:
 * WARNING: wp-admin/admin-header.php:9 – Cannot modify header information – headers
   already sent by (output started at /home/uucm_admin/test-site/wp-content/plugins/
   media-file-manager-advanced/media-selector.php:430)
    require_once(‘wp-admin/admin-
   header.php’), header
 * WARNING: wp-includes/option.php:748 – Cannot modify header information – headers
   already sent by (output started at /home/uucm_admin/test-site/wp-content/plugins/
   media-file-manager-advanced/media-selector.php:430)
    require_once(‘wp-admin/admin-
   header.php’), wp_user_settings, setcookie
 * WARNING: wp-includes/option.php:749 – Cannot modify header information – headers
   already sent by (output started at /home/uucm_admin/test-site/wp-content/plugins/
   media-file-manager-advanced/media-selector.php:430)
    require_once(‘wp-admin/admin-
   header.php’), wp_user_settings, setcookie
 * It looks like the three require_once calls are in the wrong place?
 * Could this be fixed, please?
 * [https://wordpress.org/plugins/media-file-manager-advanced/](https://wordpress.org/plugins/media-file-manager-advanced/)

The topic ‘Getting Warnings with this plugin’ is closed to new replies.

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## Tags

 * [Cannot modify header information](https://wordpress.org/support/topic-tag/cannot-modify-header-information/)
 * [require_once](https://wordpress.org/support/topic-tag/require_once/)
 * [warning](https://wordpress.org/support/topic-tag/warning/)

 * 0 replies
 * 1 participant
 * Last reply from: [bryanhiggs](https://wordpress.org/support/users/bryanhiggs/)
 * Last activity: [11 years, 3 months ago](https://wordpress.org/support/topic/getting-warnings-with-this-plugin/)
 * Status: not resolved