Title: Fatal error – wp-includes/taxonomy.php
Last modified: March 28, 2017

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# Fatal error – wp-includes/taxonomy.php

 *  Resolved [laroa](https://wordpress.org/support/users/laroa/)
 * (@laroa)
 * [9 years, 2 months ago](https://wordpress.org/support/topic/fatal-error-wp-includestaxonomy-php/)
 * Hi everyone. I need help, I designed a website for a customer, I wanted to update
   the wordpress to a new version 4.7.8 and I’ve got a fatal error message: “Fatal
   error: Call to undefined function current_theme_supports() in /home/u691482164/
   public_html/wp-includes/taxonomy.php on line 148”. Could you please help? Thank
   yo very much.

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Moderator [James Huff](https://wordpress.org/support/users/macmanx/)
 * (@macmanx)
 * [9 years, 2 months ago](https://wordpress.org/support/topic/fatal-error-wp-includestaxonomy-php/#post-8967293)
 * Try [manually resetting your plugins](https://codex.wordpress.org/FAQ_Troubleshooting#How_to_deactivate_all_plugins_when_not_able_to_access_the_administrative_menus.3F)(
   no Dashboard access required). If that resolves the issue, reactivate each one
   individually until you find the cause.
 * If that does not resolve the issue, access your server via [SFTP or FTP](https://codex.wordpress.org/FTP_Clients),
   or a file manager in your hosting account’s control panel, navigate to /wp-content/
   themes/ and rename the directory of your currently active theme. This will force
   the default theme to activate and hopefully rule-out a theme-specific issue (
   theme functions can interfere like plugins).
 *  Thread Starter [laroa](https://wordpress.org/support/users/laroa/)
 * (@laroa)
 * [9 years, 2 months ago](https://wordpress.org/support/topic/fatal-error-wp-includestaxonomy-php/#post-8969244)
 * Thank you very much James for your response. I just tried to delete the last 
   plugins installed but it’s not resolved yet. By FTP I saw a folder called “upgrade”
   where is inside a folder of the installation “wordpress 4.7.3-2Olqbz”. The problem
   should be there, what if I delete it?? I have no clue.. sorry
 *  Thread Starter [laroa](https://wordpress.org/support/users/laroa/)
 * (@laroa)
 * [9 years, 2 months ago](https://wordpress.org/support/topic/fatal-error-wp-includestaxonomy-php/#post-8971971)
 * It is solve!! I did it! I downloaded the new version of wordpress 4.7.3 from 
   [https://wordpress.org/download/](https://wordpress.org/download/) and replaced
   all the folder from FTP but not wp-content which contain my website and it was
   solve. Tutorial: [https://ayudawp.com/actualizar-wordpress-por-ftp-en-segundos/](https://ayudawp.com/actualizar-wordpress-por-ftp-en-segundos/).
   Quite easy If you know…

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Fatal error – wp-includes/taxonomy.php’ is closed to new replies.

## Tags

 * [fatal error](https://wordpress.org/support/topic-tag/fatal-error/)

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 3 replies
 * 2 participants
 * Last reply from: [laroa](https://wordpress.org/support/users/laroa/)
 * Last activity: [9 years, 2 months ago](https://wordpress.org/support/topic/fatal-error-wp-includestaxonomy-php/#post-8971971)
 * Status: resolved

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