Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Header\AbstractHeader" not found in /users/quirl/www/filemanager/spark/protected/runtime/updater/backups/vendor_1719560992/symfony/mime/Header/MailboxHeader.php:22 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/runtime/updater/backups/vendor_1719560992/symfony/mime/Header/MailboxHeader.php on line 22