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