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1:1 previews error


New Member
Oct 21, 2020
Lightroom Version
Lightroom Classic version 7.3
Operating System
  1. Windows 10
I use Lightroom Classic version 7.3. I realised that in Lightroom, many, if not all of the images were taking some time to appear. Therefore "previews" may not have been setup or needed refreshing
I selected all the images in the whole library (main library, control A) and then in library tab (I think), I selected 1:1 previews). This takes many hours, and sometimes fails (or needs to be taking smaller bundles, not the whole library)
Anyway, its now complete. But it failed to get many images, dating from the early ones, all the way through to 2018
WhatsApp Image 2020-10-14 at 04.24.15.jpeg

I did some research about this issue and tried a way which is deleting the smart previews.lr folder then rebuilt the smart previews again. But the result was still the same and even more photos couldn't be found. So please can you guys suggest me some alternatives? Thanks in advance