Title: Errors when editing pages
Last modified: August 31, 2016

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# Errors when editing pages

 *  [John](https://wordpress.org/support/users/dsl225/)
 * (@dsl225)
 * [10 years, 4 months ago](https://wordpress.org/support/topic/errors-when-editing-pages/)
 * Version 0.2.0
 * Hello,
 * When editing a page with the plugin activated I get those errors:
 *     ```
       PHP Warning: Cannot modify header information - headers already sent by (output started at /wp-includes/capabilities.php:138) in /wp-includes/pluggable.php on line 1228
   
       PHP Warning: Cannot modify header information - headers already sent by (output started at /wp-includes/capabilities.php:138) in /wp-admin/post.php on line 197
   
       PHP Notice: Undefined property: stdClass::$edit_page in /wp-includes/capabilities.php on line 138
       ```
   
 * [https://wordpress.org/plugins/wp-user-activity/](https://wordpress.org/plugins/wp-user-activity/)

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 * 0 replies
 * 1 participant
 * Last reply from: [John](https://wordpress.org/support/users/dsl225/)
 * Last activity: [10 years, 4 months ago](https://wordpress.org/support/topic/errors-when-editing-pages/)
 * Status: not resolved