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chonnapatt
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October 13, 2019
Question

adobe lightroom encountered an error preview cache

  • October 13, 2019
  • 25 replies
  • 3262 views

Hi , I read form other post and delete the .Irdata file put it still showing same error even when i delete all folder(catalog).So lightroom show up with no photo since i have to create new catalog but still the same problem . can someone help please i really need to continue my work. ;(

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JohanElzenga
Community Expert
JohanElzengaCommunity Expert
Community Expert
October 13, 2019

OK, try again but this time also delete the Lightroom Catalog Helper.lrdata. This is very strange. There is no previews cache, so I don't understand how Lightroom can report an error reading from it...

 

Also try deleting the preferences. That sometimes solves odd errors too: 

https://www.lightroomqueen.com/how-do-i-reset-lightrooms-preferences/

-- Johan W. Elzenga
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    chonnapattAuthor
    Participating Frequently
    October 13, 2019

    I think it might be new window update maybe

    C
    chonnapattAuthor
    Participating Frequently
    October 13, 2019

    this is what happen 

    C
    chonnapattAuthor
    Participating Frequently
    October 13, 2019

    ok what happen is after i delete those 2 file and double click it show the same error massage and create both file back

    JohanElzenga
    Community Expert
    JohanElzengaCommunity Expert
    Community Expert
    October 13, 2019

    Is that the only one? That is a very old backup.

     

    Go back to the situation where you had 'Lightroom catalog-2.lrcat' and a bunch of other files. Delete the 'Lightroom Catalog-2.lrcat -wal' file and the 'Lightroom Catalog-2.lrcat.lock' file. Then start Lightroom by double clicking the 'Lightroom Catalog-2.lrcat' file. Does that work?

    -- Johan W. Elzenga
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      chonnapattAuthor
      Participating Frequently
      October 13, 2019
      I will try
      C
      chonnapattAuthor
      Participating Frequently
      October 13, 2019

      C
      chonnapattAuthor
      Participating Frequently
      October 13, 2019

      DdeGannes
      Community Expert
      DdeGannesCommunity Expert
      Community Expert
      October 13, 2019

      What you are seeing is your Lightroom > Backups folder contents.

       

      Regards, Denis: iMac 27” mid-2015, macOS 11.7.10 Big Sur; 2TB SSD, 24 GB Ram, GPU 2 GB; LrC 12.5,; Lr 6.5, PS 24.7,; ACR 15.5,; (also Laptop Win 11, ver 24H2, LrC 15.0.1, PS 27.0; ) Camera Oly OM-D E-M1.
      DdeGannes
      Community Expert
      DdeGannesCommunity Expert
      Community Expert
      October 13, 2019

      Ok just for clarification, see the screen capture. The Lightroom cache file being referred to, which has to be deleted,  has the same name as your Catalog file that you are currently using, with the ending Extention (.Previews.lrdata) and is located in the same folder as the catalog.

      So if I were doing this I would delete the highlighted file as shown in the screen capture..

       

      Regards, Denis: iMac 27” mid-2015, macOS 11.7.10 Big Sur; 2TB SSD, 24 GB Ram, GPU 2 GB; LrC 12.5,; Lr 6.5, PS 24.7,; ACR 15.5,; (also Laptop Win 11, ver 24H2, LrC 15.0.1, PS 27.0; ) Camera Oly OM-D E-M1.
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      chonnapattAuthor
      Participating Frequently
      October 13, 2019
      I'm pretty sure i delete this file name Lightroom Catalog-2 Previews.lrdata as you can see in picture above there isn't this file in the folder(it is in recyclebin)
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      chonnapattAuthor
      Participating Frequently
      October 13, 2019

       

       
      Updating Media
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      chonnapattAuthor
      Participating Frequently
      October 13, 2019

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      chonnapattAuthor
      Participating Frequently
      October 13, 2019
      i did this before i delete all the file(stored it in recyclebin) and this still happen
      JohanElzenga
      Community Expert
      JohanElzengaCommunity Expert
      Community Expert
      October 13, 2019

      In fact, if you delete all the files except the backup folder, then you also delete the catalog. If Lightroom does not complain about that (not tell you it cannot find the catalog), then that suggests it is using another catalog stored somewhere else.

      -- Johan W. Elzenga
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