I think you were just unlucky. I have never seen this message, so it does not seem to happen regularly.   ... View more

Over 90 % of the images in my LrC Catalog are original RAW images from digital Cameras. I do not use DNG files in my normal workflow and I do not Automatically write Metadata to XMP.  I just used the Copy as DNG at import as a reason why Adobe does not retain the original raw image name in the DNG file created during the Denoise process. LrC does not change the original imported files when editing.   ... View more

Over 90 % of the images in my LrC Catalog are original RAW images from digital Cameras. I do not use DNG files in my normal workflow and I do not Automatically write Metadata to XMP.  I just used the Copy as DNG at import as a reason why Adobe does not retain the original raw image name in the DNG file created during the Denoise process. LrC does not change the original imported files when editing.   ... View more

Any solution this issue is driving nuts...  ... View more