I have lighroom 5.4 on a Mac and I am having some trouble importing pictures into my library on lightroom. The other day I was trying to import some from another folder in my computer and the files were showing up empty (although they were not). And today I was trying to import from an SD card and I was having the same problem. I shoot in raw on a Nikon. So what can I do to fix this problem?
This is what it looks like when I try to import