Fatal error: Uncaught Error: Class "Symfony\Component\VarDumper\Dumper\CliDumper" not found in D:\xampp\htdocs\lux_PHP\vendor\psy\psysh\src\VarDumper\DumperBase.php:18 Stack trace: #0 D:\xampp\htdocs\lux_PHP\vendor\psy\psysh\src\VarDumper\Dumper.php(32): require_once() #1 {main} thrown in D:\xampp\htdocs\lux_PHP\vendor\psy\psysh\src\VarDumper\DumperBase.php on line 18