Fatal error: Uncaught Error: Interface 'WPStaging\Backup\Service\ServiceInterface' not found in /home/savsol/public_html/wp-content/plugins/wp-staging/Backup/Service/FileBackupService.php:22 Stack trace: #0 {main} thrown in /home/savsol/public_html/wp-content/plugins/wp-staging/Backup/Service/FileBackupService.php on line 22