Fatal error: Uncaught Error: Class 'PharIo\Manifest\ManifestElement' not found in D:\xampp\htdocs\psp\backend\vendor\phar-io\manifest\src\xml\PhpElement.php:12 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\phar-io\manifest\src\xml\PhpElement.php on line 12