Title: PHP error in config screen
Last modified: August 21, 2016

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# PHP error in config screen

 *  [Draky](https://wordpress.org/support/users/draky/)
 * (@draky)
 * [12 years, 1 month ago](https://wordpress.org/support/topic/php-error-in-config-screen/)
 * Hi.
 * In the bottom of the config screen, I have this error message :
 * `Warning: call_user_func_array() expects parameter 1 to be a valid callback, 
   function 'hn_fbog_configuration' not found or invalid function name in /home/
   XXXXX/blog/wp-includes/plugin.php on line 470`
 * Any idea ?
 * And no “og :” tag :/
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 * 0 replies
 * 1 participant
 * Last reply from: [Draky](https://wordpress.org/support/users/draky/)
 * Last activity: [12 years, 1 month ago](https://wordpress.org/support/topic/php-error-in-config-screen/)
 * Status: not resolved