Title: PHP Fatal error
Last modified: December 11, 2023

---

# PHP Fatal error

 *  [newbie2004](https://wordpress.org/support/users/newbie2004/)
 * (@newbie2004)
 * [2 years, 5 months ago](https://wordpress.org/support/topic/php-fatal-error-403/)
 * hi,
 * we are using the plugin in the latest version 3.1.4.
 * php version is 8.2.13
 * the following errors we got:
 *     ```wp-block-code
       [11-Dec-2023 10:11:18 UTC] PHP Fatal error: Uncaught ValueError: DOMDocument::loadHTML(): Argument #1 ($source) must not be empty in /var/www/vhosts/domain.de/httpdocs/wp-content/plugins/wp-mailto-links/core/includes/classes/class-wp-mailto-links-validate.php:334
       Stack trace:
       #0 /var/www/vhosts/domain.de/httpdocs/wp-content/plugins/wp-mailto-links/core/includes/classes/class-wp-mailto-links-validate.php(334): DOMDocument->loadHTML()
       #1 /var/www/vhosts/domain.de/httpdocs/wp-content/plugins/wp-mailto-links/core/includes/classes/class-wp-mailto-links-validate.php(59): WP_Mailto_Links_Validate->filter_soft_dom_attributes()
       #2 /var/www/vhosts/domain.de/httpdocs/wp-content/plugins/wp-mailto-links/core/includes/classes/class-wp-mailto-links-run.php(291): WP_Mailto_Links_Validate->filter_page()
       #3 /var/www/vhosts/domain.de/httpdocs/wp-includes/class-wp-hook.php(324): WP_Mailto_Links_Run->filter_page()
       #4 /var/www/vhosts/domain.de/httpdocs/wp-includes/plugin.php(205): WP_Hook->apply_filters()
       #5 /var/www/vhosts/domain.de/httpdocs/wp-content/plugins/wp-mailto-links/core/includes/classes/class-wp-mailto-links-run.php(92): apply_filters()
       #6 [internal function]: WP_Mailto_Links_Run->apply_content_filter()
       #7 /var/www/vhosts/domain.de/httpdocs/wp-includes/functions.php(5373): ob_end_flush()
       #8 /var/www/vhosts/domain.de/httpdocs/wp-includes/class-wp-hook.php(324): wp_ob_end_flush_all()
       #9 /var/www/vhosts/domain.de/httpdocs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
       #10 /var/www/vhosts/domain.de/httpdocs/wp-includes/plugin.php(517): WP_Hook->do_action()
       #11 /var/www/vhosts/domain.de/httpdocs/wp-includes/load.php(1260): do_action()
       #12 [internal function]: shutdown_action_hook()
       #13 {main}
       thrown in /var/www/vhosts/domain.de/httpdocs/wp-content/plugins/wp-mailto-links/core/includes/classes/class-wp-mailto-links-validate.php on line 334
       ```
   
 * what could be done to eliminate it?
 * br,
 * newbie2004

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

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 * Last reply from: [newbie2004](https://wordpress.org/support/users/newbie2004/)
 * Last activity: [2 years, 5 months ago](https://wordpress.org/support/topic/php-fatal-error-403/)
 * Status: not resolved