Fatal error: Uncaught Error: Call to undefined function add_action() in /home/pacs/f3k00/users/dg/doms/digital-global.net/subs-ssl/releases/20240205143758/web/app/mu-plugins/advanced-custom-fields-pro/includes/admin/admin-field-group.php:31 Stack trace: #0 /home/pacs/f3k00/users/dg/doms/digital-global.net/subs-ssl/releases/20240205143758/web/app/mu-plugins/advanced-custom-fields-pro/includes/admin/admin-field-group.php(726): acf_admin_field_group->__construct() #1 {main} thrown in /home/pacs/f3k00/users/dg/doms/digital-global.net/subs-ssl/releases/20240205143758/web/app/mu-plugins/advanced-custom-fields-pro/includes/admin/admin-field-group.php on line 31