Fatal error: Uncaught Error: Interface "Psy\Completion\Source\SourceInterface" not found in D:\xampp\htdocs\pimcore\my-project\vendor\psy\psysh\src\Completion\Source\NamespaceSource.php:23 Stack trace: #0 {main} thrown in D:\xampp\htdocs\pimcore\my-project\vendor\psy\psysh\src\Completion\Source\NamespaceSource.php on line 23