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Warning: include(): Failed opening 'config.php' for inclusion (include_path='.:/usr/share/php') in /var/www/html/conference-archives.php on line 11

Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'root'@'localhost' (using password: YES) in /var/www/html/conference-archives.php:17 Stack trace: #0 /var/www/html/conference-archives.php(17): mysqli_connect() #1 {main} thrown in /var/www/html/conference-archives.php on line 17