CodeIgniter 4 Playground

Hi all, what fix my error?

PHP Code:

php spark serve
PHP Warning:  require(C:\xampp\htdocs\playground\app\Config/../../system/bootstrap.php): failed to open stream: No such file or directory in C:\xampp\htdocs\playground\spark on line 43

Warning: require(C:\xampp\htdocs\playground\app\Config/../../system/bootstrap.php): failed to open stream: No such file or directory in C:\xampp\htdocs\playground\spark on line 43
PHP Fatal error:  require(): Failed opening required 'C:\xampp\htdocs\playground\app\Config/../../system/bootstrap.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\playground\spark on line 43

Fatal error: require(): Failed opening required 'C:\xampp\htdocs\playground\app\Config/../../system/bootstrap.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\htdocs\playground\spark on line 43