Fatal error: Uncaught Error: Class 'Smush\Core\Modules\Background\Background_Process' not found in /home/user2040093/www/belaquilon.by/wp-content/plugins/wp-smushit/core/modules/bulk/class-bulk-smush-background-process.php:11 Stack trace: #0 {main} thrown in /home/user2040093/www/belaquilon.by/wp-content/plugins/wp-smushit/core/modules/bulk/class-bulk-smush-background-process.php on line 11