Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/14frs1525/html/cfu446/wp-content/plugins/contact-form-7/includes/special-mail-tags.php:7
Stack trace:
#0 {main}
thrown in /home/14frs1525/html/cfu446/wp-content/plugins/contact-form-7/includes/special-mail-tags.php on line 7