Fatal error: Uncaught Error: Interface 'WPStaging\Backup\Interfaces\IndexLineInterface' not found in /home/savsol/public_html/wp-content/plugins/wp-staging/Backup/FileHeader.php:12 Stack trace: #0 {main} thrown in /home/savsol/public_html/wp-content/plugins/wp-staging/Backup/FileHeader.php on line 12