Fatal error: Uncaught exception 'MongoConnectionException' with message 'Failed to connect to: 127.0.0.1:27017: SASL Authentication failed on database 'admin': Authentication failed.' in /www/wwwroot/xy/Config/conn.php:20 Stack trace: #0 /www/wwwroot/xy/Config/conn.php(20): MongoClient->__construct('mongodb://root:...') #1 /www/wwwroot/xy/login.php(24): include('/www/wwwroot/xy...') #2 {main} thrown in /www/wwwroot/xy/Config/conn.php on line 20