Does Passkey BR support 4K (M-discs)?

[vtguy]

I bought a m-disc drive and was hoping to start making 4K mp4s. I get this error:
DVDFabPasskey 9.2.1.6 (2017/10/07 20:46:19)

0m 01.85s: opening drive I
0m 01.86s: opened i/o
0m 01.87s: got media type 15
0m 03.06s: got max lba 45578303
0m 10.41s: got disc type 40
0m 10.42s: type UHD BDMV
0m 10.43s: volume label BATMAN_V_SUPERMAN_UE
0m 10.44s: bd set region ?
0m 10.47s: opening drive I
0m 10.49s: opened i/o
0m 11.65s: got max lba 45578303
0m 13.44s: got disc type 40
0m 13.46s: internal path I:/BDMV/
0m 13.72s: aacs 1 bd+ 0
0m 14.74s: got bdmv
0m 14.75s: got agid 0
0m 14.80s: sent host cert chal
0m 14.81s: got drive cert chal
0m 14.82s: BEC 1
0m 14.84s: DRIVE_VENDOR 0x0073
0m 14.90s: got drive key
0m 14.91s: got host key signature
0m 14.92s: verified drive signature
0m 14.93s: verified host signature
0m 14.99s: sent host signature and key point
0m 15.01s: got bus key
0m 16.83s: got volume id
0m 16.84s: got volume id mac
0m 16.86s: volume id is correct
0m 16.87s: got vid
0m 17.34s: blu-ray 91A8617B470A5203F511F0B4FEE60236434C98B7
0m 29.77s: ff error: 13
0m 29.78s: failed to open 308

[fengtao]

Passkey doesn't support UHD disc.