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Re: Desperation Time- corrupt Library

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Joe Marler
Re: Desperation Time- corrupt Library
on Apr 20, 2018 at 4:05:16 pm

[Cindy Hill] "was working on an earlier version of FCP X (10.3) as well as an earlier version of OS....I needed to update the Library as I am running new OS and new FCP. Unfortunately everything got buggy and the Library would not open nor would any of the backups...The project was working on an earlier version of OS and FCP. Should I try to load that on to a laptop that I have? Is there any kind of way to restore the Library without a backup? "

I've updated several huge libraries from 10.3.4 to 10.4 without major problems, but it's possible something could go wrong. I always had a complete disk backup in case it failed.

In FCPX there are two types of libraries, managed (which contain the media) and unmanaged (which use external media). The unmanaged type are easy to manually back up and restore at a file level because they are small. The managed type can be difficult to back up using file methods since they are so large. However the FCPX "backups" are supposed to be the project-oriented elements of those, minus the data.

If your iMP has a Time Machine or any other type of backup you could restore the original library from that. What error are you getting? Will the library not open or does that open and an event (aka folder) or project (aka sequence) not open? Is there any possibility the machine or media drive is just out of space?

If the library has been updated it probably cannot be opened except in 10.4.x. If it has not been updated, then 10.3.4 could open it, but you'd need that version of FCPX. It may be too late now, but the easiest way to save that is duplicate the FCPX application file and save it before updating the app version. If you have the previous version on your laptop, at least duplicate and save that in case it's needed and the laptop accidentally gets updated to 10.4 also.

If the library did not really update, in theory you could either (a) connect it to your laptop running 10.3.4 and try to open it or (b) Revert to 10.3.4 on the iMP by copying the .app file from laptop to your iMP, the try to open the library on the iMP using 10.3.4. If the library is stuck in some half-updated state I'm not sure what the results would be.

If I was in a situation like this, before trying anything else I'd make a complete file backup of the current library in case things get worse, that way you at least have the present version.


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