Fatal error: Uncaught Error: Call to undefined function add_action() in /srv/disk5/4028052/www/justthetick.et/events/wp-content/plugins/members/addons/members-role-hierarchy/admin/functions-settings.php:13 Stack trace: #0 {main} thrown in /srv/disk5/4028052/www/justthetick.et/events/wp-content/plugins/members/addons/members-role-hierarchy/admin/functions-settings.php on line 13