Fatal error: Uncaught Error: Class 'ActionScheduler_Abstract_QueueRunner' not found in C:\xampp\htdocs\wp-content\plugins\wp-rocket\inc\Engine\Common\Queue\RUCSSQueueRunner.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wp-content\plugins\wp-rocket\inc\Engine\Common\Queue\RUCSSQueueRunner.php on line 12