Fatal error: Uncaught Error: Class 'PharIo\Manifest\ElementCollection' not found in C:\xampp\htdocs\admin\vendor\phar-io\manifest\src\xml\AuthorElementCollection.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\admin\vendor\phar-io\manifest\src\xml\AuthorElementCollection.php on line 12