Fatal error: Uncaught Error: Interface "Psy\Manual\ManualInterface" not found in D:\xampp\htdocs\lux_PHP\vendor\psy\psysh\src\Manual\V3Manual.php:23 Stack trace: #0 {main} thrown in D:\xampp\htdocs\lux_PHP\vendor\psy\psysh\src\Manual\V3Manual.php on line 23