Fatal error: Uncaught Error: Class "Symfony\Component\String\AbstractString" not found in /users/quirl/www/filemanager/spark/protected/runtime/updater/backups/vendor_1695398916/symfony/string/AbstractUnicodeString.php:29 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/runtime/updater/backups/vendor_1695398916/symfony/string/AbstractUnicodeString.php on line 29