What do you mean with "hidden"?
Dear Hayo
I don't get your point, yes there are hidden files on Macintosh OSX and if you enable the possibility to view them , you can see them.
I asked because to my knowledge cameras don't lock files by making them hidden, they only make them read only. The fact that you have hidden files on your card means something else is at play!
Do you access your cards with any other software besides PM.
Have you hacked your camera with magic lantern perhaps?
@Hayo
I will try to explain; I take the shoot on assignment I look them instantly and lock the one that I like.
Get back to my laptop and start ingesting.
The files Ingest with the error to copy.
The files are not hidden at the card, the files are hidden on my external HDD.
@Kirk
I found the problem.
The problem persist when I ingest the files to external HDD, but when I ingest them on my laptop HDD then they copy fine.
Try it yourself. It's maybe a bug?