Please find two dump files in the attachments.
Have tested with the latest keydb file and still "Failed to open disc"
Many thank in advance.
Loaded content hash table, will verify integrity of M2TS files.
This disc uses newer version of AACS protection. Please let us know about it by visiting http://www.makemkv.com/a/?aAmpv+sM0WSkBS...
Saved AACS dump file as /Users/ziqiang/Library/MakeMKV/MKB_v82_UMXX_1109_EBC8.tgz
The volume key is unknown for this disc - video can't be decrypted
Failed to open disc