Fatal error: Uncaught Error: Class 'Smush\Core\Controller' not found in /home/m5dergi/public_html/wp-content/plugins/wp-smushit/core/modules/background/class-background-pre-flight-controller.php:9 Stack trace: #0 {main} thrown in /home/m5dergi/public_html/wp-content/plugins/wp-smushit/core/modules/background/class-background-pre-flight-controller.php on line 9