Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'root'@'localhost' in /var/www/html/index.php:72 Stack trace: #0 /var/www/html/index.php(72): mysqli_connect('127.0.0.1', 'root', Object(SensitiveParameterValue), 'erp', 3306) #1 {main} thrown in /var/www/html/index.php on line 72