LIghtroom 2015.12: (on macOS Sierra 10.12.6) not recognizing image files from Nikon 2800. “Files appear to be unsupported or damaged. (43)”

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LIghtroom 2015.12: (on macOS Sierra 10.12.6) not recognizing image files from Nikon 2800. “The files appear to be unsupported or damaged. (43)”
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PjbFlyn

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Posted 1 year ago

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PjbFlyn

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Files are NOT damaged.
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John R. Ellis, Champion

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The Nikon S2800 manual indicates it doesn't support raw format, so are these JPEG files?  LR can read JPEGs from any modern camera, so it's likely there is a hardware issue causing LR to be unable to read the files. 

How are you verifying that the files are not damaged?  Can other programs read the files at full resolution (e.g. Photoshop or Mac Preview)?

If you upload one of the problem photos to Dropbox or similar and post the sharing link here, then we can see if the issue is in the photo itself.  (Don't use the camera icon in this forum, since it will rewrite the file.)
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PjbFlyn

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They are both nef (Nikon electronic fomat) and jpeg (sidecar) files. The photos do download directly to my mac and I can work with them in Photoshop without any problem. However, I have my entire library set up through Lightroom and hope to maintain that procedure, for editing, naming, filing and numerous other reasons. I have been working or years in the same manner, recently upgraded to mac OS Sierra. My hunch is that is where the problem lies. —?
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John R. Ellis, Champion

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Let's get clarity on exactly which photos are producing the error.

"They are both nef (Nikon electronic fomat) "

The Nikon S2800 manual doesn't indicate that it can generate raw files.  Nor does LR or Adobe Camera Raw (used by Photoshop) support raw files from the S2800: https://helpx.adobe.com/camera-raw/kb/camera-raw-plug-supported-cameras.html .  

Why don't you upload to Dropbox or similar one of the problem files producing that message?  Then we can kill several birds with one stone, determining which camera produced the photo and whether you have a hardware problem or not.