Fatal error: Uncaught Error: Class 'WP_Rocket\Buffer\Abstract_Buffer' not found in /home/parstahv/public_html/wp-content/plugins/wp-rocket/inc/Engine/Optimization/Buffer/Optimization.php:14 Stack trace: #0 {main} thrown in /home/parstahv/public_html/wp-content/plugins/wp-rocket/inc/Engine/Optimization/Buffer/Optimization.php on line 14