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Storage Locations Unavailable & Permission Denied

I've been editing all day quite happily on my M1 MacBook Air. My FCP library is on an external Sabrent SSD.


When I came back from a break, I kept getting the error message 'FCP cannot save changes to [my project]. The storage location for one or more libraries is no longer available. The libraries will be closed so that no work is lost.'


The library had originally been on a different drive, but I made sure I had opened it from the Sabrent, and disconnected the other drive.


I restarted the MBA, but got the same error message. I then was not able to open the project at all, getting a second error message that said 'The operation couldn't be completed. Permission denied. [Project title] is already in use by [my user name] on '[my MacBook Air].local.'


I don't know what to do next. Any advice would be greatly appreciated. Thanks!

MacBook Air 13″, macOS 11.3

Posted on May 3, 2021 9:51 AM

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Posted on May 3, 2021 11:06 AM

If the drive is full due to FCP, you can reclaim space (sometimes A LOT) by selecting the library in the browser then choosing File->Delete Generated Library Files... If you don't need Proxy or Optimized media, check them along with All Render Files. Then in FCP Preferences make sure Background Rendering is not checked--that will create lots of big files behind the scenes. If you need proxies or optimized file you can always create those manually for specific clips that might need it.

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Question marked as Top-ranking reply

May 3, 2021 11:06 AM in response to paracelsus1966

If the drive is full due to FCP, you can reclaim space (sometimes A LOT) by selecting the library in the browser then choosing File->Delete Generated Library Files... If you don't need Proxy or Optimized media, check them along with All Render Files. Then in FCP Preferences make sure Background Rendering is not checked--that will create lots of big files behind the scenes. If you need proxies or optimized file you can always create those manually for specific clips that might need it.

Storage Locations Unavailable & Permission Denied

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