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