Indeed, sounds like a bug. Chances are you'll use “rman trace=rman.trc debug goal /”, do a “report obsolete” and afterwards check the result in “rman.trc”. Probably you discover the point exactly where it tries to establish the out of date archivelgs. I’m unsure and will check this on one other https://landendkurz.blogzet.com/the-ultimate-guide-to-list-expired-backup-of-archivelog-47758060