Without a doubt, sounds like a bug. You could possibly use “rman trace=rman.trc debug target /”, do a “report out of date” then Examine the end result in “rman.trc”. It's possible you find the point where it attempts to detect the obsolete archivelgs. Other than “expired”, you may additionally see https://landenchwgy.blogdosaga.com/32885389/list-expired-backup-of-archivelog-for-dummies