Lightroom Classic: Error while creating Virtual Copies

  • 2
  • Problem
  • Updated 2 months ago
  • Solved
  • (Edited)
When I try to create a virtual copy in Lightroom ClassicI get the following error:

"An internal error has occurred. ?:0: attempt to index field 'additionalDevelopMetadata' (a nil value)".

The error started after I combined a second catalogue into a main catalogue using the 'Import from another catalogue' function.

The error only happens with the images from the second catalogue that have been imported into the main catalogue. All other images in the main catalogue are fine. I still have the second catalogue and the virtual copy works correctly in that catalogue as well, so the issue appears to be related to the import process. The reason for combining the two catalogues was to reduce the need to swap between the two.

I had already done quite a bit of work on the imported images before I came across the virtual copy error, so I now have a bunch of edited images in my main catalogue that won't allow VCs to be created, and a bunch of un-edited images in the old second catalogue that will allow VCs to be created.

My system details are as follows:

Lightroom Classic version: 9.1 [ 201911291132-64cf80b4 ]
License: Creative Cloud
Language setting: en
Operating system: Windows 10 - Home Premium Edition
Version: 10.0.18363
Application architecture: x64
System architecture: x64
Logical processor count: 8
Processor speed: 1.9 GHz
Built-in memory: 16192.0 MB
Real memory available to Lightroom: 16192.0 MB
Real memory used by Lightroom: 1050.7 MB (6.4%)
Virtual memory used by Lightroom: 1068.6 MB

Similar issues have been reported by other users on the following Adobe Community thread:

https://community.adobe.com/t5/lightroom-classic/error-while-creating-virtual-copies-in-lightroom-cl...
Photo of Chris Porter

Chris Porter

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Posted 2 months ago

  • 2
Photo of Chinoy Gupta

Chinoy Gupta, Employee

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Hi Chris,

Thanks for reporting this issue and for providing detailed information. I am able to reproduce the issue and will file a bug to investigate it further.

Regards,
Chinoy
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Robert Somrak, Champion

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Chinoy Gupta, Employee

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Thanks Robert. We will look at that.
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Roger Pavelle

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I am running into the same problem.  I just installed Lightroom Classic on a new computer and imported the catalog from my old machine.  I don't know if it is relevant, but my old machine was running Windows 7 and had an older version of Classic running on it.
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Rikk Flohr, Official Rep

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Official Response
Updates to Lightroom Classic, Camera Raw, and the Lightroom Ecosystem were released yesterday and contain a fix for this issue.  Please install the appropriate update and see if it solves this problem. You can read more about the updates here.

Thank you for your patience. 
Photo of Chris Porter

Chris Porter

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I've just tested this and it seems to work - thank you!
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Arjun Haarith, Employee

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Thanks for the confirmation Chris !
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Roger Pavelle

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I am not seeing the update.  My system says it has version 9.1 and that it is the most recent. 
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Chris Porter

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My version is 9.2, build 202001311240-2d026470.
(Edited)
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Roger Pavelle

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It took a while to show up, but I've now been able to upgrade to 9.2 and everything works fine.