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Why am I getting a "preview cache" error when backing up LR5?

Sep 6, 2013 2:21 PM

Tags: #lightroom #error #catalog #preview #cache #backup

Screen Shot 2013-09-06 at 2.19.31 PM.png

I am running LR 5.0 on OS X 10.8.4 and everything was fine until a couple of days ago when I started getting this error message when backing up Lightroom. I have repeatedly restarted Lightroom, restarted my iMac, and nothing gets fixed. Do I even have a functional backup? What do I do now?


  • Currently Being Moderated
    Sep 6, 2013 9:07 PM   in reply to Photogasman

    Try deleting your preview cache (after closing Lightroom).


    i.e. the .lrdata folder in with your catalog (.lrcat file) - try the one without "Smart Previews" first, if it's there too.

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