Fatal error: Uncaught Error: Call to undefined function add_action() in /home/techconnectlive/public_html/wp-content/plugins/cornerstone/includes/integration/Max/max-courses.php:56 Stack trace: #0 {main} thrown in /home/techconnectlive/public_html/wp-content/plugins/cornerstone/includes/integration/Max/max-courses.php on line 56