Title: Fatal error
Last modified: August 19, 2016

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# Fatal error

 *  [kaizan99](https://wordpress.org/support/users/kaizan99/)
 * (@kaizan99)
 * [17 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-73/)
 * Fatal error: Call to undefined function add_filter() in /home/wwwgmfm/public_html/
   wp-includes/default-filters.php on line 20
 * What did I do wrong? Thanks.

Viewing 1 replies (of 1 total)

 *  [MichaelH](https://wordpress.org/support/users/michaelh/)
 * (@michaelh)
 * [17 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-73/#post-905069)
 * Probably don’t have all WordPress files uploaded or uploaded correctly.
 * See [Uploading WordPress to a remote host](http://codex.wordpress.org/Uploading_WordPress_to_a_remote_host).
   Get Filezilla and use that.

Viewing 1 replies (of 1 total)

The topic ‘Fatal error’ is closed to new replies.

## Tags

 * [default-filters.php](https://wordpress.org/support/topic-tag/default-filters-php/)
 * [fatal error](https://wordpress.org/support/topic-tag/fatal-error/)
 * [undefined function](https://wordpress.org/support/topic-tag/undefined-function/)

 * In: [Installing WordPress](https://wordpress.org/support/forum/installation/)
 * 1 reply
 * 2 participants
 * Last reply from: [MichaelH](https://wordpress.org/support/users/michaelh/)
 * Last activity: [17 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-73/#post-905069)
 * Status: not resolved

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