Fatal error: Uncaught Error: Call to undefined function add_action() in /var/www/clients/client0/web9/web/wp-content/plugins/contact-form-7/modules/date.php:9 Stack trace: #0 {main} thrown in /var/www/clients/client0/web9/web/wp-content/plugins/contact-form-7/modules/date.php on line 9