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Inspiring
September 14, 2025
Answered

Failure to Create Previews

  • September 14, 2025
  • 2 replies
  • 239 views

A too large number of files imported into LRc are grey-ed out with the message that preview could not be created .

A significant number of them are of images of documents.  So, I considered that as a source of the problem,

but I have plenty of other documents imported into LR and the preveiw process worked as advertised.

I tried importing just the problem images (the previous import were part of a bunch of images imported

at the sae time. Still could not get previews.  I tried forcing the ffiles to convert using "Build Previews"  No luck there.

 

Could not find a solution in the posts. I did not start deleting catalogs and then re-importing the files as someone on another post suggested (!?) 

 

Do you have anything to suggest I should consider doing to correct this?

I am running an Apple M3 with whatever is the latest and greatest OS.  All images are Tiff.

Thanks in advance for any help you can spare.

Correct answer JohanElzenga

To see if the problem is your preview cache, or these images, do the following. Create a brand new catalog and import (some of) these images. Do you see the same problem? If so, then the problem is with the images. If the new catalog shows no problems, then the issue is 'catalogname previews.lrdata' of the old catalog. Remove that from your catalog folder so Lightroom Classic will rebuild it. That means you'll have to rebuild all previews (not necessarily all at once; you can leave it to Lightroom to rebuild a preview if and when it needs it), but the problem should be solved.

 

2 replies

CooledgeRAuthor
Inspiring
September 15, 2025

Thank you. I'll give that a try.


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JohanElzenga
Community Expert
JohanElzengaCommunity ExpertCorrect answer
Community Expert
September 15, 2025

To see if the problem is your preview cache, or these images, do the following. Create a brand new catalog and import (some of) these images. Do you see the same problem? If so, then the problem is with the images. If the new catalog shows no problems, then the issue is 'catalogname previews.lrdata' of the old catalog. Remove that from your catalog folder so Lightroom Classic will rebuild it. That means you'll have to rebuild all previews (not necessarily all at once; you can leave it to Lightroom to rebuild a preview if and when it needs it), but the problem should be solved.

 

-- Johan W. Elzenga
CooledgeRAuthor
Inspiring
September 15, 2025

Some of the problem was corrected.  Some images that had been through Topaz' Ai still would not create a preview, although other Topazz Ai processed images did create a preview.!?