Warning: Use of undefined constant DB_USER - assumed 'DB_USER' (this will throw an Error in a future version of PHP) in /var/www/html/datatables/php/config.php on line 12

Warning: Use of undefined constant DB_PASSWORD - assumed 'DB_PASSWORD' (this will throw an Error in a future version of PHP) in /var/www/html/datatables/php/config.php on line 13

Warning: Use of undefined constant DB_NAME - assumed 'DB_NAME' (this will throw an Error in a future version of PHP) in /var/www/html/datatables/php/config.php on line 16
{"error":"An error occurred while connecting to the database 'DB_NAME'. The error reported by the server was: SQLSTATE[HY000] [1045] Access denied for user 'DB_USER'@'localhost' (using password: YES)"}