Fatal error: Uncaught Error: Class "PharIo\Manifest\ManifestElement" not found in C:\xampp\htdocs\m-admin\vendor\phar-io\manifest\src\xml\AuthorElement.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\m-admin\vendor\phar-io\manifest\src\xml\AuthorElement.php on line 13