Fatal error: Uncaught Error: Call to undefined function add_action() in /home/cedarrapidscsd/sites/cedarrapids/releases/20220518171300/web/app/plugins/simple-page-ordering/simple-page-ordering.php:47 Stack trace: #0 /home/cedarrapidscsd/sites/cedarrapids/releases/20220518171300/web/app/plugins/simple-page-ordering/simple-page-ordering.php(30): Simple_Page_Ordering::_add_actions() #1 /home/cedarrapidscsd/sites/cedarrapids/releases/20220518171300/web/app/plugins/simple-page-ordering/simple-page-ordering.php(343): Simple_Page_Ordering::get_instance() #2 {main} thrown in /home/cedarrapidscsd/sites/cedarrapids/releases/20220518171300/web/app/plugins/simple-page-ordering/simple-page-ordering.php on line 47