Fatal error: Uncaught Error: Interface "Icewind\Streams\File" not found in /var/www/html/nextcloud/apps/files_external/lib/Lib/Storage/SFTPWriteStream.php:14 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/files_external/lib/Lib/Storage/SFTPWriteStream.php on line 14