Title: FATAL ERROR
Last modified: July 6, 2018

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# FATAL ERROR

 *  Resolved [kingslayer21](https://wordpress.org/support/users/kingslayer21/)
 * (@kingslayer21)
 * [7 years, 9 months ago](https://wordpress.org/support/topic/fatal-error-2956/)
 * Hi
 * I am having a problem installing and activating contact form 7, I have already
   installed it. However, every time I activate it, it says this error.
 * _“Fatal error: Call to undefined function get\_user\_locale() in /var/www/vhosts/
   digistoresolutionsholdings.com/httpdocs/wp-content/plugins/contact-form-7/includes/
   l10n.php on line 68”_
 * What could be the issue? Please let me know.
 * Thanks,
    Rolen
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Ffatal-error-2956%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 4 replies - 1 through 4 (of 4 total)

 *  Plugin Author [Takayuki Miyoshi](https://wordpress.org/support/users/takayukister/)
 * (@takayukister)
 * [7 years, 9 months ago](https://wordpress.org/support/topic/fatal-error-2956/#post-10468738)
 * You are using WordPress 3.9.25. The current Contact Form 7 requires WordPress
   4.8 or higher.
 *  [gabriella1978](https://wordpress.org/support/users/gabriella1978/)
 * (@gabriella1978)
 * [7 years, 5 months ago](https://wordpress.org/support/topic/fatal-error-2956/#post-10826756)
 * :-/
    -  This reply was modified 7 years, 5 months ago by [gabriella1978](https://wordpress.org/support/users/gabriella1978/).
 *  [mikitisma](https://wordpress.org/support/users/mikitisma/)
 * (@mikitisma)
 * [7 years, 4 months ago](https://wordpress.org/support/topic/fatal-error-2956/#post-10973800)
 * Hi everyone,
 * Since I’ve installed WordPress 5, I have fatal error with the plugin when I try
   to create one or modify an existing one.
 * Here is the displayed message:
    Fatal error: Uncaught ArgumentCountError: Too
   few arguments to function wpcf7_old_wp_version_error(), 1 passed in /homepages/
   1/xxxxxxxxx/htdocs/xxxxxx/wp-includes/class-wp-hook.php on line 286 and exactly
   3 expected in /homepages/1/xxxxxxxxx/htdocs/xxxxxx/wp-content/plugins/contact-
   form-7/admin/admin.php:567 Stack trace: #0 /homepages/1/xxxxxxxxx/htdocs/xxxxxx/
   wp-includes/class-wp-hook.php(286): wpcf7_old_wp_version_error(”) #1 /homepages/
   1/xxxxxxxxx/htdocs/xxxxxx/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(”,
   Array) #2 /homepages/1/xxxxxxxxx/htdocs/xxxxxx/wp-includes/plugin.php(453): WP_Hook-
   >do_action(Array) #3 /homepages/1/xxxxxxxxx/htdocs/xxxxxx/wp-content/plugins/
   cf7-grid-layout/admin/partials/cf7-admin-editor-display.php(16): do_action(‘wpcf7_admin_war…’)#
   4 /homepages/1/xxxxxxxxx/htdocs/xxxxxx/wp-content/plugins/cf7-grid-layout/admin/
   class-cf7-grid-layout-admin.php(464): require_once(‘/homepages/1/d7…’) #5 /homepages/
   1/xxxxxxxxx/htdocs/xxxxxx/wp-admin/includes/template.php(1215) in /homepages/
   1/xxxxxxxxx/htdocs/xxxxxx/wp-content/plugins/contact-form-7/admin/admin.php on
   line 567
 * Can anyone help me, please?
 * Thx a lot
 * Greetings
 * Miki
 *  [anbumz](https://wordpress.org/support/users/anbumz/)
 * (@anbumz)
 * [7 years, 4 months ago](https://wordpress.org/support/topic/fatal-error-2956/#post-10979046)
 * Same problem here!

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘FATAL ERROR’ is closed to new replies.

 * ![](https://ps.w.org/contact-form-7/assets/icon.svg?rev=2339255)
 * [Contact Form 7](https://wordpress.org/plugins/contact-form-7/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/contact-form-7/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/contact-form-7/)
 * [Active Topics](https://wordpress.org/support/plugin/contact-form-7/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/contact-form-7/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/contact-form-7/reviews/)

## Tags

 * [fatal error](https://wordpress.org/support/topic-tag/fatal-error/)
 * [wordpress 5](https://wordpress.org/support/topic-tag/wordpress-5/)

 * 4 replies
 * 5 participants
 * Last reply from: [anbumz](https://wordpress.org/support/users/anbumz/)
 * Last activity: [7 years, 4 months ago](https://wordpress.org/support/topic/fatal-error-2956/#post-10979046)
 * Status: resolved