I get this message when I open LrC 12.4 on my MacBook Air M1

New Here ,
May 21, 2022 May 21, 2022

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Screenshot 2022-05-22 at 08.48.12.png

 I have reinstalled LrC and restarted the computer several times. Please assist.

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Adobe Community Professional ,
May 22, 2022 May 22, 2022

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As the message implies, your Preview cache is likely corrupt. The simplest course of action is to delete it, after which LrC will rebuild it automatically as images are brought into view on the screen....or you can maually rebuild previews for all images by using the Library>Previews>Build Standard-Sized Previews, which shouldn't take very long with only 1390 previews to build.

 

Just be careful when deleting the existing previews cache to ensure you ONLY delete the Previews cache....you will find it inside the folder which contains the catalog file (which ends with .lrcat), the previews cache will have the same name as the catalog but will end with ".....Previews.lrdata", i.e. "your catalog name Previews.lrdata". So delete ONLY the ".lrdata" package.

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LEGEND ,
May 22, 2022 May 22, 2022

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To build on Jim's response, here's a Help article about how to delete the cache:

https://helpx.adobe.com/lightroom-classic/kb/lightroom-gives-error-preview-cache.html 

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LEGEND ,
May 22, 2022 May 22, 2022

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There's been a rash of corrupted preview caches just in the last few days!  Another issue with LR 11.3 / 11.3.1?

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