Lightroom Classic: "An internal error has occurred: ?:0: attempt to index a nil value"

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  • Problem
  • Updated 2 weeks ago
  • (Edited)
When I delete photographs from catalogue + disc, I am now consistently having the following error dialogue box pop up in LR Classic CC:

"An internal error has occurred: ?:0: attempt to index a nil value"

It appears that LR is carrying out the delete function, however, in order to continue using the program, there is an "OK" checkbox that you must click on.
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Brian Kipnis

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  • slightly annoyed

Posted 4 weeks ago

  • 1
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Jim Hendrix

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Same problem exactly. No luck researching this.
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Christian Spyr

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Same here. On the surface it seems that nothing bad happens, but it is an annoyance. Something is not programmed right and I hope no damage accumulates in the catalog over time.
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Jim Hendrix

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Same as you. I export all edited images as TIFFs and also as small JPGs that are watermarked. Then move the RAWs to an organized archive of folders for future use. Also, I have XML sidecar files keeping my edit history. So if I lose my catalog I really lose nothing. When I delete from disk by accident, I can restore the RAW file and sidecar file then synchronize the folder and LR picks it up with edits. Neat.
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Jeffrey Tranberry, Sr. Product Manager, Digital Imaging

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Do you have any 3rd party plug-ins installed?
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Jim Hendrix

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I have plenty of 3rd party plugins. Tried disabling them to no avail.
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Brian Kipnis

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Yes. Smugmug. DXO. A geotagging app.
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Dennis Przybilla

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Hello, I get the same error when deleting images. I do not use 3rd party plugins, error occurs on both systems, one of them is a clean installation. What causes the error is not apparent, after clicking ok, it goes on normally.
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Michael Kaplan

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I have the same problem as well since the last update. Lightroom Classic version: 7.3 [ 1164630 ]
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Jim Hendrix

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Same problem here since before the 7.3 update. No change after the update. I have noticed that after it happens the first time, following image deletes (from disk) execute very fast and without the error. Not sure what triggers it to occur again.
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Charles Ferullo

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You might find help here:  
https://forums.adobe.com/thread/346527