[2025-05-08 03:32:20] 'system' has started the backup!
[2025-05-08 03:32:20] Marking backup as running...
[2025-05-08 03:32:20] Making sure '/var/www/discourse/tmp/backups/default/2025-05-08-033220' exists...
[2025-05-08 03:32:20] Making sure '/var/www/discourse/public/backups/default' exists...
[2025-05-08 03:32:20] Updating metadata...
[2025-05-08 03:32:20] Dumping the public schema of the database...
[2025-05-08 03:32:20] pg_dump: error: aborting because of server version mismatch
[2025-05-08 03:32:20] pg_dump: detail: server version: 16.3; pg_dump version: 15.12 (Debian 15.12-1.pgdg120+1)
[2025-05-08 03:32:20] EXCEPTION: pg_dump failed
[2025-05-08 03:32:20] /var/www/discourse/lib/backup_restore/backuper.rb:173:in dump_public_schema```