Comment 1 for bug 1594100

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Kovid Goyal (kovid) wrote : Re: calibre bug 1594100

That's not a corrupted book, that is a permission denied error. You have
permissions problem somewhere in your library folders. That is not an
error the copy process is designed to be robust against. The ability to
access files inside the library folder is a fundamental assumption
throughout calibre.

 status invalid