Fatal error: Uncaught Error: Class 'Smush\Core\Modules\Background\Async_Request' not found in /home/clmepl5/public_html/web/app/plugins/wp-smushit/core/modules/background/class-background-process.php:13 Stack trace: #0 {main} thrown in /home/clmepl5/public_html/web/app/plugins/wp-smushit/core/modules/background/class-background-process.php on line 13