Knight Rider Complete Series 4K UHD S3D3 & S4D2 Ripping Errors

[ShatteredGlass]

I just got done ripping all 21 Discs of the Knight Rider 4K set. However, I was unable to rip two episodes from S3D3 and two episodes from S4D2.

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- S3D3
Knight of the Chameleon: [00002.mpls] [KNIGHT RIDER S3D3_t01]
Junk Yard Dog: [00010.mpls | KNIGHT RIDER S3D3_t03]

- S4D2
The Wrong Crowd: [00002.mpls | KNIGHT RIDER S4D2_t01]
Knight Racer: [00010.mpls KNIGHT RIDER S4D2_t03]

I'm not new to to this hobby, so believe me when I say I've exhausted everything I have trying to get these two discs to rip. I tried all six of my WH16NS40 drives, two of my BP50NB40 drives and lastly my trusty ol' BU40N drive. All of them fail at the same spots every time. Keep in mind that I was able to rip all the other 19 discs without any issues and I was able successfully rip 3/5 titles on both of the discs that I'm having issues with. But what's weird is that I'm unable to read the same two titles from both discs, 00002.mpls and 00010.mpls. So I'm guessing this has got to be some kind of mastering error.

Before I decide to send this set back and reorder another one, I just wanted to know if anyone else ran into this same issue or if you were successful in ripping all discs?

[coffee70]

did you get this sorted ??

[SamuriHL]

I had no problem with season 1, 2, or 3. I haven't ripped 4 yet but not anticipating issues.

[ShatteredGlass]

did you get this sorted ??

I'm 99% sure it was mastering errors on both discs. I sent the set back and am going to order a new set.

I had no problem with season 1, 2, or 3. I haven't ripped 4 yet but not anticipating issues.

Yeah, I ripped everything just fine with the exception of those four episodes on the two discs I listed. I will say that SOME of the other discs acted up a little bit, but then I moved them to other drives and they ripped fine.

[baseliners]

Hi - I also got the same set but am unable to rip it. I keep getting this error:

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The volume key is unknown for this disc - video can't be decrypted.

I sent the dump to svq@makemkv.com a month ago but I tried it again a couple days ago and still no luck. Did you get this error and/or have to do anything specific for this disc set? Thx!

[MartyMcNuts]

Hi - I also got the same set but am unable to rip it. I keep getting this error:

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The volume key is unknown for this disc - video can't be decrypted.

I sent the dump to svq@makemkv.com a month ago but I tried it again a couple days ago and still no luck. Did you get this error and/or have to do anything specific for this disc set? Thx!

Download the latest public KeyDB database and extract it to the MakeMKV data directory (where the dumps are).

[baseliners]

Download the latest public KeyDB database and extract it to the MakeMKV data directory (where the dumps are).

I did that earlier today (presume the one from http://fvonline-db.bplaced.net) and still no luck. I searched through that file and do not see one for this show that's after the release date (at least in the US).

[MartyMcNuts]

Download the latest public KeyDB database and extract it to the MakeMKV data directory (where the dumps are).

I did that earlier today (presume the one from http://fvonline-db.bplaced.net) and still no luck. I searched through that file and do not see one for this show that's after the release date (at least in the US).

Search for the discID which is the sha-1 of the unit_key_RO.inf file in the AACS folder on the disc (or in a dump file). If it’s not in the keyDB, you should email the dump file to svq@makemkv.com, then if you want to help the community, host the dump somewhere and post a download link.

[keydb_helper]

I did that earlier today (presume the one from http://fvonline-db.bplaced.net) and still no luck. I searched through that file and do not see one for this show that's after the release date (at least in the US).

The date field in the keydb file corresponds to the disc authoring date, not the release date. So the correct entry for your discs will most likely have a date several weeks or months before the actual release date.

[baseliners]

Thank you so much @MartyMcNuts and @keydb_helper !

- the sha1 confirmed that those discs were in the public keydb (thank you to folks who added them!)
- the problem was that I needed to rename keydb.cfg to KEYDB.cfg on macOS! (I'm on the latest 1.18.2 MakeMKV)

My first disc is now happily ripping! Thanks again, really appreciate the help!