Fatal error: Uncaught Error: Call to undefined function add_action() in /data02/c0418613/public_html/test/wp-content/plugins/events-manager/classes/em-ms-globals.php:9 Stack trace: #0 /data02/c0418613/public_html/test/wp-content/plugins/events-manager/classes/em-ms-globals.php(77): EM_MS_Globals->__construct() #1 {main} thrown in /data02/c0418613/public_html/test/wp-content/plugins/events-manager/classes/em-ms-globals.php on line 9