Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Connection refused in /var/www/html/libraries/database/pdo.php:27
Stack trace:
#0 /var/www/html/libraries/database/pdo.php(27): PDO->__construct('mysql:host=171....', 'tlh_toan', 'dsefdgg43@tlh', Array)
#1 /var/www/html/libraries/database/pdo.php(18): FS_PDO->connect()
#2 /var/www/html/index.php(35): FS_PDO->__construct()
#3 {main}
thrown in /var/www/html/libraries/database/pdo.php on line 27