I've had Lightroom 5 since November and have never had a problem importing my NEF files directly from iPhoto to edit them in Lightroom. But this past weekend all of the sudden when I'm in Lightroom trying to import new photos that I took on my Nikon 610 from iPhoto (did not use Nikon software at all) I'm getting an error that reads: Some import operations were not performed, could not copy a file to requested location (and then it goes on to list my NEF files that I was trying to import). Can someone give me any advice on how to fix this and why this might suddenly be happening? It won't even let me import older photos from iPhoto that it had been a week ago. I'm stumped! Thanks!