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Thread: Project file won't Sync-> Too many elements missing -> All Family corrupt

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    Member TRWhitehead's Avatar
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    Exclamation Project file won't Sync-> Too many elements missing -> All Family corrupt

    This is a copy of something I posted on Autodesk discussion groups. Autodesk has no real solutions or cause. I just wanted to put it here in case someone runs across the same symptoms. I'll update if I get info from the factory. I really hope you don't have to deal with this:

    on 1/24 one of our files started having problems so that no one could sync to central. Due to a deadline we resolved by creating a new central but the supposed problem was caused by corrupt families. We removed the 4 corrupted families and moved on. They weren't critical to the project but we weren't clear as to why these families were corrupt, we were directed to this article:
    https://knowledge.autodesk.com/suppo...s/sfdcarticles...

    Cosmic rays? Phase of the moon? who knows. Random.

    Friday (2/3) we started getting errors that users could not edit family parameters. Type or instance, nothing in a family could be adjusted without an error that the family needed to be reloaded. Initially we thought it was isolated to one or two families, further digging indicated it was any family we touched. Reverting to previous versions did not help, even going back a day. After 4 hours of troubleshooting I contact support again. This is the supposed fix:

    https://knowledge.autodesk.com/suppo...s/sfdcarticles...

    That article indicates reloading one or two "bad" families. In our case it was 487. From what I can tell there are about 10 that AREN'T corrupt. When I called autodesk, the solution was to look at journal from latest file, collect a list of all corrupt families. Then find the last known good file, export all families as a source for reload. I've done this, it generates about 400 errors of dimensions being removed and constraints being destroyed. Along with a few complex family types (nested shared families) being deleted, despite being reloaded from sources. In finding the latest "good" file, I realized that this corruption, of over 400 families, happened within 5 hours from 2/2 at 8am to 2/2 at 1pm. But Autodesk swears it is random?

    The original issue is now being reported by others through our local user group. And I think that burying critical info away in the journal during an audit a pretty poor way to notify users of a potential disaster brewing.
    Original post here: Project file fails - Reload families, "random" corruption - Autodesk Community

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    Member jsnyder's Avatar
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    We had a similar problem with a project in 2014. It sucked and there was no easy fix.
    There is no such thing as random.
    computer science - Is there such a thing as truly random? - Software Engineering Stack Exchange
    What is the half-life of a Revit model?
    Personally, I find it more satisfying to blame this sort of thing on Windows updates than randomness.

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    I have had this happen twice recently. Both time, I had just created the project, turned on worksharing and saved my Central file. Then, instead of being a good girl and closing it and creating a new local, I just got to work modelling. When I went to SWC, I got the "Project won't sync - elements missing" message and could do nothing. Thankfully I really was at the very beginning of the projects, so it was easy enough to start over, but it's helped to solidify the process: New Project, start worksharing, SWC & relinquish User Created Worksets ... then close and create new local to get to work.
    cganiere likes this.

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    Member TRWhitehead's Avatar
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    If possible, anyone that has had this happen to their file should chime in on the thread at forums.autodesk.com I've responded to a suggestion from Autodesk QA and I'd like to show them it isn't as isolated as they are making it out to be. I would appreciate it and I'll buy you a beer at BILTNA.

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    Quote Originally Posted by TRWhitehead View Post
    If possible, anyone that has had this happen to their file should chime in on the thread at forums.autodesk.com I've responded to a suggestion from Autodesk QA and I'd like to show them it isn't as isolated as they are making it out to be. I would appreciate it and I'll buy you a beer at BILTNA.
    I posted it to the forums too and posting it here as well in case people see it here as well.

    It is so frustrating when you have so many people sitting twiddling there thumbs and all the pressure is on you to fix the problem and fast, without loosing work. It is tough and I have been in your shoes many times in our office. The biggest one has been the "Too many Elements Missing". It is from that frustration and learning from I had enough material to present at AU.

    I have been dealing with these issues as well and wanted to share the presentation and documentation and some items, that do not FIX your issue, but may help diagnosing them. @Matt_W and I presented it:

    BLD125158 - Code Blue Dr Revit - How to Resuscitate Corrupt Revit Models Presentation
    Code Blue, Dr. Revit!-How to Resuscitate Corrupt Revit Models Watch it at au.autodesk.com

    Handout from my presentation and Datasets
    https://1drv.ms/f/s!AmO3IjYenWEdhPYvoPS5MKqY9aSjeQ

    I hope this sheds some light.

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