5 Replies Latest reply on Jun 20, 2017 10:48 AM by silvioc58

    LIGHTROOM CATALOG NOT WORKING, NO DATA SHOWED

    silvioc58

      I have problems with my main Lightroom CC catalog (.lrcat). I have the latest version of Lightroom (2015.10.1) and my operating system is the latest Mac Oc Sierra.

      Relaunching the main catalog from Menu-Open Recent Catalog, after using a secondary one, Lightroom opens with the window completely free of informations, photos ectc. Like it was the first use of the program. No pop-up warnings. Nothing, I was shocked.

      Then I’ve tried to open the latest back up file .lrcat of the calatog (safe on another hard-disk) with the same result.

      I noticed the dimension of catalog .lrcat not working (only 1,5 MB) and of the previews file (only 152 kb). I’ve read that Lightroom now uses compressed file catalog on Mac. But I have a library of more than 20.000 pictures with a lot of regulation data. My Lightroom 5 catalog was over 5 GIGA. Is it possible such compression?

      What’s happened to my main catalog? The secondary one works well.

      Why I can’t use my back up catalog file if the main one was i.e. corrupt?

        • 1. Re: LIGHTROOM CATALOG NOT WORKING, NO DATA SHOWED
          JimHess Adobe Community Professional & MVP

          The catalog that is "not working" (1.5 MB) would seem to be a new empty catalog. If your backup catalog was created by Lightroom 6 or Lightroom CC it would be contained within a zip file that would have to be opened and the catalog would have to be extracted from the zip file in order to be used. That would have to be done at the operating system level. Did you do that?

          • 2. Re: LIGHTROOM CATALOG NOT WORKING, NO DATA SHOWED
            silvioc58 Level 1

            The back up file was created one month ago with Lightroom CC. It has the same dimension of the original one. I've read on Adobe Faq that it needs an expander program to use the back up catalog file. I used StuffItExpander but it was unable to open the file because it doesn't recognize it. I don't know if the Adobe statement  is corrected with the latest updates of the program. I think that Lightroom and Mac operating system do the expander work. Also I think that it seems a new empty catalog. But what's happened?

            • 3. Re: LIGHTROOM CATALOG NOT WORKING, NO DATA SHOWED
              dj_paige Level 9

              Use your operating system's search feature and find all files on all disks whose name ends with .LRCAT. For each one found, double-click on it to open it in Lightroom and see if it has the photos you are interested in.

              • 4. Re: LIGHTROOM CATALOG NOT WORKING, NO DATA SHOWED
                JimHess Adobe Community Professional & MVP

                I'm one of the is uninformed computer idiots who have never used a Mac. That's right, never. But in the Windows world all that is necessary to open a zip file is to double-click on it. The zip file will open and it's possible to drag/drop the contained file(s) from the zip file to wherever you need it to be. Sorry, but I don't know what else to tell you.

                • 5. Re: LIGHTROOM CATALOG NOT WORKING, NO DATA SHOWED
                  silvioc58 Level 1

                  Thank you dj_paige, now I've found the right catalog. I've done previously that research but I was confused by the name file.... The number 2 in the name reminded me to Lightroom 2... but it was catalog 2, the right one. Thank you again.