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I am using MacOS 10.14.6 Mojave and am unable to make an MKV backup of the Yellowstone Season 2 DVDs. The message is Error 'Scsi error - ILLEGAL REQUEST:READ OF SCRAMBLED SECTOR WITHOUT AUTHENTICATION' occurred while reading 'BD-RE HL-DT-ST BD-RE WH16NS40 1.03' at offset '1048576' I was able backup using the same drive and computer for Yellowstone Season 1 without any problems.

I am using a Registered Version of MKV Version 1.14.5

Any thoughts?

Thanks in advance for any knowledge about this problem.

Realized that this version of MakeMKV requires Catalina and does not seem to work with Mojave. I thought that the requirement was the processor (no Core 2 Duo VS Intel) not the OS. Oops! Tried to do the task on my laptop running Catalina and was successful. Hope my find helps others.