Import new photo's but LR tells me they are previously added

Question

I'm trying to import new photos from my SD card, but LR tells me some of them are previously added and won't let me select them.

Normally I just check the "select all" box and import everything, then take it out the SD reader and format in the camera before use.

That workflow I cannot trust anymore, so now I need to check everything for this error-message before importing.

How to deal with those files that won't import?

I really don't want to write down every file name manually and do something with them to convince LR they are new. That would be a lot of work!

I haven't imported the rest just yet because then I couldn't identify those files anymore , LR probably will say that everything is imported already.

What to do?

Jelke Piter · Answer

Update: I think I found a little clue as to what's going on.

I did switch SD cards halfway through the photo session, and the camera started numbering the filenames again from DSC00001.

I uploaded all the photo's from the first SD card and already removed a some of them to the bin.

Trying the 2nd SD card let me import only the ones with the same names that I removed.

As I have lots of duplicate filenames, that shouldn't be a problem, but this was on the same day.

I guess I have to rename this batch.

Does Lightroom only check for filename and capture date?

Any information about this would be appreciated

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