Fatal error: Uncaught Error: Interface 'WP_Rocket\Event_Management\Subscriber_Interface' not found in C:\xampp\htdocs\wp-content\plugins\wp-rocket\inc\Engine\CriticalPath\CriticalCSSSubscriber.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wp-content\plugins\wp-rocket\inc\Engine\CriticalPath\CriticalCSSSubscriber.php on line 19