Fatal error: Uncaught Error: Call to undefined function add_action() in /home/parstahv/public_html/wp-content/plugins/wp-whatsapp-button/font-changer.php:6 Stack trace: #0 {main} thrown in /home/parstahv/public_html/wp-content/plugins/wp-whatsapp-button/font-changer.php on line 6