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-levels/admin/class-column-level.php:39 Stack trace: #0 /srv/disk5/4028052/www/justthetick.et/events/wp-content/plugins/members/addons/members-role-levels/admin/class-column-level.php(115): Members_Role_Levels_Column_Level->setup() #1 /srv/disk5/4028052/www/justthetick.et/events/wp-content/plugins/members/addons/members-role-levels/admin/class-column-level.php(122): Members_Role_Levels_Column_Level::get_instance() #2 {main} thrown in /srv/disk5/4028052/www/justthetick.et/events/wp-content/plugins/members/addons/members-role-levels/admin/class-column-level.php on line 39