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