Fatal error: Uncaught MongoDB\Driver\Exception\ConnectionTimeoutException: No suitable servers found (`serverSelectionTryOnce` set): [connection refused calling hello on 'localhost:27017'] in /home/hsct/domains/hosocongty.vn/public_html/phpmongodb/vendor/mongodb/mongodb/src/Collection.php:890 Stack trace: #0 /home/hsct/domains/hosocongty.vn/public_html/phpmongodb/vendor/mongodb/mongodb/src/Collection.php(890): MongoDB\Driver\Manager->selectServer() #1 /home/hsct/domains/hosocongty.vn/public_html/global.php(49): MongoDB\Collection->insertOne() #2 /home/hsct/domains/hosocongty.vn/public_html/com.php(12): require('/home/hsct/doma...') #3 {main} thrown in /home/hsct/domains/hosocongty.vn/public_html/phpmongodb/vendor/mongodb/mongodb/src/Collection.php on line 890