Fatal error: Uncaught Error: Class 'PharIo\Manifest\ElementCollection' not found in /var/www/app/appregwebservice/vendor/phar-io/manifest/src/xml/ComponentElementCollection.php:12 Stack trace: #0 {main} thrown in /var/www/app/appregwebservice/vendor/phar-io/manifest/src/xml/ComponentElementCollection.php on line 12