Hi I am new to Lightroom and have been importing my photos but accidentily deleted the previews files to make up room on my hard disc. I found out the way to fix this would be to rebuild the previews which I thought I had done and it was all working but I just opened it to find that most of the folders now say 'No photos in selected folder' despite the fact that there are numbers showing that there are files there and when I navigate to the folder in finder they are still there. I can't re-import them as when I try to they are greyed out as they are recognised to already be there. Does anyone know how to fix it? Actually I solved it. I realise that I had accidentily imported the main folder housing all the subfolders as well seperatly. Once I removed that it seems to have fixed it.
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