"You have specified an invalid dbms driver" Error with config sample

Fatal error: Uncaught exception 'RuntimeException' with message 'You have specified an invalid dbms driver: phpbb_db_driver_mysqli' in C:\xampp\htdocs\1057\includes\functions.php:5713 Stack trace: #0 C:\xampp\htdocs\1057\includes\functions_container.php(34): phpbb_convert_30_dbms_to_31('phpbb_db_driver...') #1 C:\xampp\htdocs\1057\includes\functions_container.php(67): phpbb_bootstrap_db_connection('./config.php') #2 C:\xampp\htdocs\1057\includes\functions_container.php(258): phpbb_bootstrap_enabled_exts('./config.php', './') #3 C:\xampp\htdocs\1057\common.php(106): phpbb_create_default_container('./', 'php') #4 C:\xampp\htdocs\1057\index.php(19): include('C:\xampp\htdocs...') #5

thrown in C:\xampp\htdocs\1057\includes\functions.php on line 5713