Fatal error: Uncaught Error: Class "OpenCloud\Common\Resource\PersistentResource" not found in /home/marketo/demo.marketoo.com.bd/vendor/rackspace/php-opencloud/lib/OpenCloud/Queues/Resource/Queue.php:33 Stack trace: #0 {main} thrown in /home/marketo/demo.marketoo.com.bd/vendor/rackspace/php-opencloud/lib/OpenCloud/Queues/Resource/Queue.php on line 33