Fatal error: Uncaught Error: Call to undefined function add_action() in /home/waterengineering/public_html/wp-content/plugins/cornerstone/includes/integration/FontAwesome/migrations.php:7 Stack trace: #0 /home/waterengineering/public_html/wp-content/plugins/cornerstone/includes/integration/FontAwesome/FontAwesome.php(3): require_once() #1 {main} thrown in /home/waterengineering/public_html/wp-content/plugins/cornerstone/includes/integration/FontAwesome/migrations.php on line 7