Title: PHP Fatal error – get_test_users()
Last modified: July 6, 2023

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# PHP Fatal error – get_test_users()

 *  Resolved [Edgar Pfandler](https://wordpress.org/support/users/regnalf/)
 * (@regnalf)
 * [2 years, 10 months ago](https://wordpress.org/support/topic/php-fatal-error-get_test_users/)
 * Fatal error while try send testing email for system mails!
 *     ```wp-block-code
       [06-Jul-2023 11:56:38 UTC] PHP Fatal error:  Uncaught Error: Call to a member function get_test_users() on string in .../wp-content/plugins/newsletter/subscription/template.php:24
       Stack trace:
       #0 .../wp-content/plugins/newsletter/includes/module-admin.php(178): require()
       #1 .../wp-includes/class-wp-hook.php(308): NewsletterModuleAdmin->menu_page()
       #2 .../wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters()
       #3 .../wp-includes/plugin.php(517): WP_Hook->do_action()
       #4 .../wp-admin/admin.php(259): do_action()
       #5 {main}
         thrown in .../wp-content/plugins/newsletter/subscription/template.php on line 24
       ```
   

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

 *  Plugin Author [Stefano Lissa](https://wordpress.org/support/users/satollo/)
 * (@satollo)
 * [2 years, 10 months ago](https://wordpress.org/support/topic/php-fatal-error-get_test_users/#post-16926191)
 * Hi, that error should have been solved on latest releases, could you kindly confirm?
 * Thank you.
 *  Thread Starter [Edgar Pfandler](https://wordpress.org/support/users/regnalf/)
 * (@regnalf)
 * [2 years, 10 months ago](https://wordpress.org/support/topic/php-fatal-error-get_test_users/#post-16934480)
 * No, the issue still exists in 7.8.9.
 * It happens if you are in system settings -> email template. Then push the “Send
   a test” button.
 *  Plugin Author [Stefano Lissa](https://wordpress.org/support/users/satollo/)
 * (@satollo)
 * [2 years, 9 months ago](https://wordpress.org/support/topic/php-fatal-error-get_test_users/#post-16954985)
 * Hi, it should be fixed on the version we’re going to release after WP 6.3 (mid
   of August).

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

The topic ‘PHP Fatal error – get_test_users()’ is closed to new replies.

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 * 3 replies
 * 2 participants
 * Last reply from: [Stefano Lissa](https://wordpress.org/support/users/satollo/)
 * Last activity: [2 years, 9 months ago](https://wordpress.org/support/topic/php-fatal-error-get_test_users/#post-16954985)
 * Status: resolved