Fatal error: Uncaught Error: Call to undefined function add_settings_error() in /srv/users/serverpilot/apps/ncs-as/public/wp-content/plugins/wp-fastest-cache/wpFastestCache.php:286 Stack trace: #0 /srv/users/serverpilot/apps/ncs-as/public/wp-content/plugins/wp-fastest-cache/wpFastestCache.php(1063): WpFastestCache->notify(Array) #1 /srv/users/serverpilot/apps/ncs-as/public/wp-content/plugins/wp-fastest-cache/wpFastestCache.php(793): WpFastestCache->deleteCache() #2 /srv/users/serverpilot/apps/ncs-as/public/wp-includes/class-wp-hook.php(286): WpFastestCache->on_all_status_transitions('publish', 'publish', Object(WP_Post)) #3 /srv/users/serverpilot/apps/ncs-as/public/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #4 /srv/users/serverpilot/apps/ncs-as/public/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #5 /srv/users/serverpilot/apps/ncs-as/public/wp-includes/post.php(4128): do_action('transition_post...', 'publish', 'publish', Object(WP_Post)) #6 /srv/users/serverpilot/apps/ncs-as/public/wp in /srv/users/serverpilot/apps/ncs-as/public/wp-content/plugins/wp-fastest-cache/wpFastestCache.php on line 286