Fatal error: Uncaught Error: Call to undefined method RankMath\Instant_Indexing\Api::get() in /srv/users/avpornthai/apps/avpornthai/public/wp-content/plugins/fast-indexing-api/includes/class-instant-indexing.php:149 Stack trace: #0 /srv/users/avpornthai/apps/avpornthai/public/wp-content/plugins/fast-indexing-api/instant-indexing.php(43): RM_GIAPI->__construct() #1 /srv/users/avpornthai/apps/avpornthai/public/wp-includes/class-wp-hook.php(324): rm_giapi_init('') #2 /srv/users/avpornthai/apps/avpornthai/public/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #3 /srv/users/avpornthai/apps/avpornthai/public/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #4 /srv/users/avpornthai/apps/avpornthai/public/wp-settings.php(555): do_action('plugins_loaded') #5 /srv/users/avpornthai/apps/avpornthai/public/wp-config.php(84): require_once('/srv/users/avpo...') #6 /srv/users/avpornthai/apps/avpornthai/public/wp-load.php(50): require_once('/srv/users/avpo...') #7 /srv/users/avpornthai/apps/avpornthai/public/ in /srv/users/avpornthai/apps/avpornthai/public/wp-content/plugins/fast-indexing-api/includes/class-instant-indexing.php on line 149