Fatal error: Uncaught Error: Class 'OpenCloud\Common\Resource\PersistentResource' not found in /home/app/htdocs/lidia/vendor/rackspace/php-opencloud/lib/OpenCloud/Common/Resource/ReadOnlyResource.php:26 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/rackspace/php-opencloud/lib/OpenCloud/Common/Resource/ReadOnlyResource.php on line 26