Fatal error: Uncaught Error: Class 'WP_Rocket\Optimization\JS\Abstract_JS_Optimization' not found in /home/xbeta/public_html/wp-rocket/inc/classes/optimization/JS/class-combine.php:15
Stack trace:
#0 {main}
  thrown in /home/xbeta/public_html/wp-rocket/inc/classes/optimization/JS/class-combine.php on line 15