Fatal error: Uncaught Error: Class "OpenCloud\Common\Metadata" not found in /app/vendor/rackspace/php-opencloud/lib/OpenCloud/ObjectStore/Resource/ContainerMetadata.php:20 Stack trace: #0 {main} thrown in /app/vendor/rackspace/php-opencloud/lib/OpenCloud/ObjectStore/Resource/ContainerMetadata.php on line 20