Fatal error: Uncaught Error: Class 'PharIo\Manifest\ManifestElement' not found in /home/edmedu/www/edmtw.com/dev.bak/vendor/phar-io/manifest/src/xml/RequiresElement.php:13 Stack trace: #0 {main} thrown in /home/edmedu/www/edmtw.com/dev.bak/vendor/phar-io/manifest/src/xml/RequiresElement.php on line 13