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

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  • Updated 2 months ago
I also am getting this error but only when trying to use the Slideshow, it will start to process the files but then the error box will pop up and all slideshow buttons will be greyed out and stay that way until I close and then reopen LR, I have tried some of the fixes mentioned in the forums but nothing seems to help. I have not seen anyone mentioning the problem occurring whilst using the slideshow, and wonder if this one is just unique to me for some reason.
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kelvin harrison

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Posted 3 months ago

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Paul Plak

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I had that error message after removing my photographs from Lr out of the folder they had been imported to. Do check if Lr has access to your files. If they are on an external hard disk maybe the connection to them was lost. Also check all the files you need are in your catalog in the right folder.
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Simon Chen, Principal Computer Scientist

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Simon Chen, Principal Computer Scientist

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Try update to the latest LrClassic 7.5 version.
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Ronald Byram

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I too am getting this error after I have imported my picturs and trying to cull through them.  I had marked several for delete and then deleted them then received the error. I have gotten this quite often not sure what to resolve it
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Simon Chen, Principal Computer Scientist

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Hi Ronald, Your scenarios looks to be different bug. It would be helpful to collect a traceback log to determine where the error is coming from. Instructions https://forums.adobe.com/thread/925598
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Joseph Verdickt

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This reply was created from a merged topic originally titled Bij aanmaken Presentatie krijg ik volgende melding: Er heeft zich een interne fou....

[Google translation: When creating Presentation I get the following message: An internal error has occurred:?:]

0: attempt to index a nil value
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dmeephd

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I've received this very same error thrice in a row while optimizing the catalog...but never before.

Optimization completes—at least according to the modal box—but it's too weird.

However, I may have found a concomitant issue.  Upon restarting LR, which defaults as expected to the 'Previous Import' collection, I find that several of the images which were imported have the flag in the upper-right hand corner which has a pointer pointing up.  Upon hovering over that icon, the pop-up message is 'metadata changed by external program.'

Of course, this is nonsense as these files were just imported and no post-processing has been performed whatsoever.  (Besides, I always launch external editors from within LR, and almost always via the requisite plugin.  If there is no plugin available, then the image is exported and imported back usually as a tiff.)

In short, I have never seen this error message until yesterday, and now I have seen it three times.  And for at least the last two instances, there were files with the phoney 'metadata changed by external program' associated with it.  (I must confess I wasn't paying too much attention the first time, so I cannot state with 100% certainty that there is a definite cause and effect here.)

So far, it is a nuisance...nothing more.  I hope.