Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Encoder\Base64Encoder" not found in /users/quirl/www/filemanager/spark/protected/runtime/updater/backups/vendor_1695398916/symfony/mime/Encoder/Base64MimeHeaderEncoder.php:17 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/runtime/updater/backups/vendor_1695398916/symfony/mime/Encoder/Base64MimeHeaderEncoder.php on line 17