Fatal error: Uncaught Error: Class 'OpenCloud\ObjectStore\Resource\AbstractResource' not found in /home/app/htdocs/ninja/vendor/rackspace/php-opencloud/lib/OpenCloud/ObjectStore/Resource/DataObject.php:36 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/rackspace/php-opencloud/lib/OpenCloud/ObjectStore/Resource/DataObject.php on line 36