Title: error in class-wp-hook.php file
Last modified: April 17, 2018

---

# error in class-wp-hook.php file

 *  [shwetasingh123](https://wordpress.org/support/users/shwetasingh123/)
 * (@shwetasingh123)
 * [8 years, 1 month ago](https://wordpress.org/support/topic/error-in-class-wp-hook-php-file/)
 * i am getting
    Warning: Parameter 2 to title_filter() expected to be a reference,
   value given in C:\xampp\htdocs\wordpress\wp-includes\class-wp-hook.php on line
   286
 * after plugin and theme installation. how to fix that error.

Viewing 1 replies (of 1 total)

 *  Moderator [Jan Dembowski](https://wordpress.org/support/users/jdembowski/)
 * (@jdembowski)
 * Forum Moderator and Brute Squad
 * [8 years, 1 month ago](https://wordpress.org/support/topic/error-in-class-wp-hook-php-file/#post-10189773)
 * Please do not use Developing with WordPress for these topics. I’ve moved it to
   Fixing WordPress where it belongs.
 * What plugin and theme are you using?

Viewing 1 replies (of 1 total)

The topic ‘error in class-wp-hook.php file’ is closed to new replies.

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 1 reply
 * 2 participants
 * Last reply from: [Jan Dembowski](https://wordpress.org/support/users/jdembowski/)
 * Last activity: [8 years, 1 month ago](https://wordpress.org/support/topic/error-in-class-wp-hook-php-file/#post-10189773)
 * Status: not a support question

## Topics

### Topics with no replies

### Non-support topics

### Resolved topics

### Unresolved topics

### All topics