I’ve checked some notes, there may be a difficulty if you have read only tablespaces, then “”BACKUP OPTIMIZATION ON” triggers skipping the backup of these datafiles if there is a backup offered. I’m not sure and may Test this on another impacted DBs and report it into the SR, but https://spenceryulaj.madmouseblog.com/13434258/indicators-on-expired-listings-bc-you-should-know