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Question: Why would a title fail to write when it had previously worked?

I am re-ripping the blu-ray of 2010: The Year We Make Contact, which I had previously ripped earlier this year (in March).

When I rip discs, I often include the special features, not just the main feature.

This disc has 2 special features - a making-of and theatrical trailer - which are titles 09 and 13.

When I ripped the disc in March, all titles wrote normally. This time around, title 13 (theatrical trailer) is failing.

Any idea why this would happen? I mean in general, I'm not asking because I really care about this particular instance. I've had one or two other discs have titles fail before (rarely), but this is the only time I've had a failure on a title that ripped correctly previously. Just wondering what the cause is so I know if the same thing happens again some time.

Thanks

Without seeing the errors, guesses are all we can offer.

Other than, "Are you running version 1.12.3?"

If so, you might want to read this: https://makemkv.com/forum/viewtopic.php?f=1&t=17872

There are reasons (if you're ripping UHD disks) to run 1.12.3, and reasons to run 1.12.2, and you can do it a the same time, as long as they're installed in different directories. I have .3 listed as "MakeMKVuhd" for now, until Mike issues a newer version.

Woodstock wrote: ↑

Mon Sep 24, 2018 1:02 am

Without seeing the errors, guesses are all we can offer.

You mean this?

MakeMKV v1.12.3 win(x64-release) started
Opening files on harddrive at I:/Z MakeMKV backup folder/backup/2010_THE_YEAR_WE_MAKE_CONTACT
File 00002.mpls was added as title #0
File 00004.mpls was added as title #1
File 00005.mpls was added as title #2
File 00024.mpls was added as title #3
File 00000.m2ts was added as title #4
File 00002.m2ts was added as title #5
File 00003.m2ts was added as title #6
File 00005.m2ts was added as title #7
File 00006.m2ts was added as title #8
File 00015.m2ts was added as title #9
File 00019.m2ts was added as title #10
File 00023.m2ts was added as title #11
File 00024.m2ts was added as title #12
File 00025.m2ts was added as title #13
Operation successfully completed
Saving 14 titles into directory D:/TMP/BD/test
Forced subtitles track #4 turned out to be empty and was removed from output file
Forced subtitles track #4 turned out to be empty and was removed from output file
Forced subtitles track #10 turned out to be empty and was removed from output file
Failed to save title 13 to file D:/TMP/BD/test/2010_The_Year_We_Make_Contact_t13.mkv
13 titles saved, 1 failed

+ the popup: "Copy complete. 13 titles saved, 1 failed."

Woodstock wrote: ↑

Mon Sep 24, 2018 1:02 am

Other than, "Are you running version 1.12.3?"

Yes

Woodstock wrote: ↑

Mon Sep 24, 2018 1:02 am

If so, you might want to read this: https://makemkv.com/forum/viewtopic.php?f=1&t=17872



There are reasons (if you're ripping UHD disks) to run 1.12.3, and reasons to run 1.12.2, and you can do it a the same time, as long as they're installed in different directories. I have .3 listed as "MakeMKVuhd" for now, until Mike issues a newer version.

OK I reinstalled the previous version on another drive and the title wrote normally.

Damn, now I'm paranoid that there could be problems with some of the other 40 discs I've done in the past few months. I noticed some weird things happening with at least a couple of them...