AAF produces error upon opening, show stopper

I've encountered this problem too. If I export an AAF with some subroles muted in the FCP X inspector, protools errors. If I don't mute them, it'll import fine in protools. We work with sources containing up to 16 audio channels, so a fix is really needed. Any updates? We're on FCP 10.4 and 4.2.2 of X2pro.

If you want, you can tell them that they can contact This email address is being protected from spambots. You need JavaScript enabled to view it. to talk about it with us. Our case number is TS6971

Okey. I have case open with Avid with a case id 03139575 but nothing fruitful hasn't come out of that yet. Last response was that they were not seeing any problem with 12.7.0 non-HD but every system (3 or 4) I've tried does error out on the filtered subroles.

I got hold of Pro Tools 12.7 last week and was able to see the same problem that you were seeing. We are now trying to find out what is going wrong.

Ok, let us know when you hear something back from them. As soon as we can reproduce it, we will try to open a ticket with Avid also (perhaps unless you have already heard back from them by then)

Yes, I have opened up ticket with Avid (last Friday I think), but haven't heard back from them yet.

Thank you for the video showing the error. That is interesting to see, and it does make it clearer.

Have you contacted Avid about the problem? It would be interesting to hear what they say is causing the problem.

That is interesting. I don't have access to the hardware required to run Pro Tools HD, and I the newest version of Pro Tools that I have at the moment is 12.2.1

I will try to get a newer version of Pro Tools

Some more info. I downgraded my testing Pro Tools to version 12.4 (non HD) and that version will open both AAF without errors, so the error causing behaviour comes with Pro Tools 12.7 (possibly with 12.5, haven't had a chance to try that). However, on HD Pro Tools, the error was present on 11.x system.

Well this gets interesting. As I said on the original message, we tried this on the audio post facilities last week with their Pro Tools HD system and those imports ended up with the error. I did install Pro Tools now on my laptop and tried to open the exact same AAF's I sent to you and I did end up with the error. I did screen capture video of the process which you can download here --> ts2017.s3.amazonaws.com/x2pro/X2Pro_AAF_problem_screen_rec.mov

Any thoughts?

Thank you for providing those files. I was able to open the "produces error" aaf in Pro Tools 12.2.1 with no problem (see attached screen grab).

Can you please try opening it in Pro Tools on another system?

Of course. Please send it to This email address is being protected from spambots. You need JavaScript enabled to view it.

Can I send a link to that material to you directly as I rather not post the media (the referenced picture media is within the zip) on open forum. Thanks.

Hi Yogi,

It would be great if you could please provide the FCPXML and both AAFs

We are on the middle of major movie project and suddenly following bug has appeared on our workflow. Upon creating AAF with filtered sub-roles and opening it on Pro Tools, we are now getting always the following error at the end of AAF import.

"Could not complete your request because Assertion in "/Volumes/Development/194038/ProTools/NewFileLibs/FF/Audio/FF_AudioFile.cpp", line 1100."

The result is a session that can't be used as that same error is always shown upon opening the session. We have tried importing the AAF on PT 11.x HD, 12.7 HD and 12.7 on two separate systems and they all behave the same way.

If we don't filter any sub-roles everything is fine, but the second at least one sub role is omitted, the error appears.

I can send our simple test example of fcpxml and AAF's with sub roles filtered (error) and all sub roles included (no error) if needed.

We are stuck at the moment delivering meaningful AAF's to audio post.