Hello, is Camera Raw 8.3 correctly installed? Check in about-plug-ins or help>System info...
I believe that it is. Camera Raw 8.3 is listed in the system info as
Camera Raw 8.3
Camera Raw Filter 8.3
Chalk & Charcoal 14.2
Then have you used an obsolete version of Nikon Transfer or ViewNX with the files from a previous Nikon model that is much older. This is known to corrupt something in the headers of newer camera files that makes the unrecognizable to Adobe.
You can fix this corruption with a utility from the following page:
Thank you very much. I will use the fix and now change my work flow.