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Thread: Model Corruption - Too many elements missing from the model

  1. #1
    Member Markus's Avatar
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    Model Corruption - Too many elements missing from the model

    What perplexes me about this issue is how users are able to work in the model today, synchronize, etc. - but then the model will become corrupt where we have to depend on a file restore from yesterday. i.e. Users are able to work in a seemingly ok model, but turns out to be corrupted...

    We have had about 12 instances of model corruption in the past 12 months whereby teams lost work. We could only restore a model 1-2 days prior to the corruption day. Or, we would have to wait a day for Autodesk to "repair" a "recent" model.

    I know there have been a number of postings on this subject, but I wanted to reach out if anyone else has some insight for me:

    https://www.revitforum.org/architect...y-corrupt.html
    https://www.revitforum.org/workshari...s-missing.html
    https://www.revitforum.org/architect...e-anymore.html


    https://knowledge.autodesk.com/suppo...orruption.html

    thanks in advance for your consideration.
    Last edited by Markus; October 11th, 2017 at 09:17 PM.

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    Forum Co-Founder Twiceroadsfool's Avatar
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    If you file a support request, Autodesk is able to fix the issue. It's a known issue that happens in versions of 2017 that are not up to date. I think in a late point release.

    It happened to my model on c4r, and they were actually able to fix it without even removing it from c4r, which was kind of cool.

    Sent from my Phablet. Please excuse typos... and bad ideas.

    Aaron Maller
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    Parallax Team, Inc.

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    Member kubsix's Avatar
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    Quote Originally Posted by Markus View Post
    We could only restore a model 1-2 days prior to the corruption day.
    You're unable to use a more recent local file? They are corrupted too?

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    Forum Co-Founder Twiceroadsfool's Avatar
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    If youre going to restore a file that is one or two days old, I'm curious why you wouldn't just file a support request and send it to Autodesk since they can fix it. It's a document problem, they already know what's wrong, and it doesn't take them long to fix it at all.

    Mine was a bit of an extenuating circumstance, but they literally fixed it in side of 90 minutes from when it actually happened. Given that it is that predictable of a problem, why would you sacrifice a day's work from the team?

    You pay good money for the support request, you may as well use them.

    Sent from my Phablet. Please excuse typos... and bad ideas.

    Aaron Maller
    Director
    Parallax Team, Inc.

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    I would suggest sending it to Autodesk as well.

    We had a file do that last week and I got a list of the offending families from an Autodesk Directly Expert within a few hours of submitting it.
    I was able to reload those families with fresh copies and had the file working with no loss of work early the next morning.

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    Member Markus's Avatar
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    Thanks for the suggestions. Yes, I do send them to Autodesk, but prefer to avoid it altogether. The last case was Revit 2018. Unfortunately, these are not limited to version 2017: 2014, 2016 and 2018.

    Does this happen this often for other firms? About once a month (200-300+ projects/year).

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    Moderator DaveP's Avatar
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    We've had that several times in recent months.
    My vote as well for sending to Support. They've usually been able to fix it within an hour or two.
    One of the causes of this particular crash (Too many missing elements) is referenced here
    https://knowledge.autodesk.com/suppo...017-model.html
    and is fixed in 2017.2.2 and 2018.1.1
    The root cause was identified as families being Cut & Pasted between projects.
    We've also fixed a couple of our project using this technique:
    Help
    In a nutshell, you Export all of your families from the project, and watch where it blows up.
    The Export will fail on the corrupt family, You can then (usually) open or Edit that family with an AUDIT and that (might) fix the corruption.
    Load the fixed family back into the project, save it, and Export the Library again until it runs all the way through & you don't have any more corrupted families.

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    Member Markus's Avatar
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    Thanks, Dave.

    This is great. I will pass this to the studios. We are on the latest builds, albeit some of the model corruptions occur in 2014 or 2016.

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    Member Markus's Avatar
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    Quote Originally Posted by kubsix View Post
    You're unable to use a more recent local file? They are corrupted too?
    Unfortunately, local copies are also corrupted. Hence the misery.
    kubsix likes this.

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    Quite timely, I had this happen last week... of course a few days before a deadline. It wasn't on C4R and was able to get back up to speed with a local file from another studio. It's the first I heard of it here, but I'm not on the front lines anymore, so it could be happening more frequently. Running 2017.2.

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