Here is the log:
Backing up disc into folder "Z:/Music/Incoming/Bluray Audio to Extract/backup/SONGS FROM THE BIG CHAIR"
This disc uses newer version of AACS protection. Please let us know about it by visiting http://www.makemkv.com/a/?z8q+oW4X6iFFzC...
Saved AACS dump file as D:/Ripping Temp/MKB_v82_SONGS_FROM_THE_BIG_CHAIR_BC08.tgz
The volume key is unknown for this disc - video can't be decrypted
Backup failed