Lightroom Classic: Importing photos - different files merged

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  • Problem
  • Updated 1 month ago
  • Acknowledged
  • (Edited)
Importing a file, renaming it in Lightroom, then importing any other file with the same name generates incorrect records and does not import subsequent files. This is happening when scanning to a folder with autogenerated names, then using LR to import the files and rename.

1) Scan some slides to a folder named e.g. YYYY-MM-DD-sequence.TIF
2) Import into Lightroom (synchronise folder)
2) Rename or move those files elsewhere using Lightroom
3) Scan more files which are again auto-named, with the sequence restarting at 1 because the first ones are no longer there
4) Import the new files (synchronise folder)

Actual: LR notices the new files but creates duplicate records for the first set of images, even if they have been moved to a different folder and renamed. Removing one of the duplicate records actually removes both records, requiring a second "sync folder" to re-import correctly.

Expected: LR creates new records for the new files in the correct folder.
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Jim Keir

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Posted 2 months ago

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Tom Mickow

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I'm able to consistently replicate this behavior in Lightroom Classic CC 8.1 on Win10, if I do all the steps without ever closing Lr.  If I restart Lr between imports, it works normally, treating the images as different/separate entities.

Try restarting Lr before your second import (step 4) and see if you get the same results.

Also, does your scanning software have the ability to add the time to your auto-naming template?  If so, you could drop the sequence number and go with YYYY-MM-DD-HHMMSS.TIF.  Assuming you're not scanning more than one image per second, that should work around this issue pretty easily too.
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Robert Somrak, Champion

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I am able to also consistently replicate this bug in Lr 8.1 and MacOS 10.13.6.   

This is a very obscure bug but is easily replicated so Adobe should be able to fix it.  Hopefully they will start fixing some of these easily reproducible ones, although history shows otherwise.

If I delete one they are both deleted.
I I select the pair and say "delete from disk" I get the following error which is probably expected.

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Tom Mickow

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Hey Robert, can you confirm whether it works properly for you if you restart Lr between imports?

Seems like it must or everyone who had their cameras set to restart file numbering each time a card is replaced would be running into this frequently and squawking about it.
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Robert Somrak, Champion

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I haven't tried with a restart but now that Rikk Flohr acknowledged the bug it is in Adobe's hands.  Rikk is great at staying on top of of bugs he has duplicated and acknowledged.
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Robert Somrak, Champion

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As an added note, I have seen a couple other threads in the past concerning this issue of "phantom" thumbnails.  Here is one thread here:

https://forums.adobe.com/message/10503511#10503511
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Rikk Flohr, Official Rep

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I can repeat this and have logged it with the team. As Bob says, a very obscure bug with a workflow that is uncommon. 
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Tom Mickow

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It's really not an uncommon workflow if a camera is set to restart file numbering on each memory card insert.  I know that's an option on my Canon's.  Not sure about others.
(Edited)
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Robert Somrak, Champion

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I could see where a workflow as follows would/should be the same as the OP's scanning scenario and is probably a common workflow for some.  If it created problems I would think it would have shown up more often.

Have camera set to restart file numbering
Reformat camera card
Copy files to folder A
Sync folder A
Rename files
Reformat camera card
Copy files to folder A 
Sync folder A

  

 I would try this but I have NO interest in setting my camera to restart numbering as it might mess up my numbering system in the long run.  I'll let Adobe do this. : )
(Edited)
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Tom Mickow

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Exactly...and if you think about it, there are actually a number of scenarios where you could end up with the same original filename being imported  - using multiple cards on the same shoot, using multiple camera bodies with numbering set the same way, etc.  My Canon will start the numbering sequence over if a new folder is created on the card, so the same card could even have the same filename on it in different folders.

it's not affecting my workflow at all, but I am still curious about the restart.  That could be mitigating/hiding the problem for folks that aren't importing multiple times in the same session.
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Robert Somrak, Champion

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It might be the case that “Import” using the import dialog instead of using “sync” to import MAY not have this issue. I didn’t try that.