Error in preview cache

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Up to 2 times a day, I get this message and must start building preview again.

Every time I re-build the previews, the preview file gets bigger and bigger.

I am using newest LR and MacOS 15.3.1

macOS

JohanElzenga

Community Expert

Open your catalog folder and delete 'catalogname previews.lrdata'. Then start Lightroom Classic again. Lightroom Classic will now have to rebuild the entire previews cache, so initially you will not see any previews at all, but then they appear one by one.

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-- Johan W. Elzenga

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olefotoAuthor

Participating Frequently

That solves the problem with preview-files getting bigger, but not the many errors of preview-file beeing damaged.

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JohanElzenga

Community Expert

If the previews are getting damaged all the time, then perhaps this means the catalog is damaged. Do you have a backup from before this started to happen?

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-- Johan W. Elzenga

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