Fatal error: Uncaught Error: Call to undefined function add_action() in /home/vetperla/public_html/wp-content/themes/themify-ultra/themify/themify-metabox/includes/themify-user-fields.php:19 Stack trace: #0 /home/vetperla/public_html/wp-content/themes/themify-ultra/themify/themify-metabox/includes/themify-user-fields.php(15): Themify_User_Meta->__construct() #1 /home/vetperla/public_html/wp-content/themes/themify-ultra/themify/themify-metabox/includes/themify-user-fields.php(150): Themify_User_Meta::get_instance() #2 {main} thrown in /home/vetperla/public_html/wp-content/themes/themify-ultra/themify/themify-metabox/includes/themify-user-fields.php on line 19