Fatal error: Uncaught Error: Class 'WP_Async_Request' not found in /home/xbeta/public_html/wp-rocket/vendor/wp-media/background-processing/wp-background-process.php:14
Stack trace:
#0 {main}
  thrown in /home/xbeta/public_html/wp-rocket/vendor/wp-media/background-processing/wp-background-process.php on line 14