Lightroom Classic Slideshow Export Hangs

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  • Updated 5 months ago
When I try to export a slideshow 720p or 1080p from LR Classic from my main catalogue the export hangs. But if I export from a seperate catalogue (containing one wedding) from either a separate mac or the same mac it works fine. 

I seem to have been having the same issue for a couple of years now and can't seem to find a fix for the main catalogue, which has meant me not doing slideshows for wedding clients during this time, which is a shame. 

Any thoughts? 

LR Classic 7.1
Mac OS 10.13.2
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Matt Boadle

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Posted 9 months ago

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Todd Shaner, Champion

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It could be due to corruption in the LR Preferences file. The original Preferences file is carried over and updated on each LR upgrade so it could be the cause of your long-standing issue. Try resetting the LR Preferences file as outlined at the below link:

https://www.lightroomqueen.com/how-do-i-reset-lightrooms-preferences/
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Dario Piovera

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I have the same problem when I try to export a slide show!!
I am using last version of  classic CC 7.1 on IMAC High Sierra 10.13.2 
I have already reset the LR preferences, but no way.
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Matt Boadle

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After I rest mine it seemed to work, but then stopped working again, so annoying
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Todd Shaner, Champion

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It appears a previous bug when using Portrait and Landscape images with Option> Zoom to Fill Frame checked is back (or was never fixed). Try unchecking that option and then restarting LR.
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Matt Boadle

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Zoom to Fill Frame is never checked on mine, so it's not causing the issue, thank anyway
(Edited)
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Dario Piovera

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I'm using only landscape images
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Matt Boadle

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it's so frustrating as what should be a simple task is very flaky and unstable, with what seems like no help or support from Adobe. 

As a PROFESSIONAL photographer using PROFESSIONAL software I would expect better!!
(Edited)
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Todd Shaner, Champion

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One other thing to try. In the Library module select all of the image files to be used in the Slideshow. Go to menu Library> Previews> and select 'Build 1:1 Previews.' This fixed the issue with landscape and portrait images using 'Zoom to Fill Frame' checked so it may also fix your issue.
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Todd Shaner, Champion

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Matt Boadlesaid 892 images and the drive is a 2tb fusion with 128gb ssd portion
That is a long slideshow video! LR rendering video speeds are .5x to 2x. If your Slide Length + Crossfade is 7.5 sec. then your slideshow duration is 892 x 7.5 sec = 6,690 sec. = 111.5 min. = 1 hr. and 51.5 min. With a typical 1x processor rendering speed it's going to take about two hours or more to complete.
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Todd Shaner, Champion

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Dario Piovera saidMy problem is not solved: I tried again with 1 pictures, but LR hangs always at the same point:
You need to select at least two (2) image files to create a LR Slideshow video. Please close all applications and shut down and restart your system. Open LR, select two image files, and then rebuild 1:1 Previews as I outlined in my previous post. Try again. If that works try with about 50 image files selected.
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Matt Boadle

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Each video is a 1h5m video with 8 music tracks. I use the fit to music option so it’s always the same length no matter how many photos we use. ‘Normally’ it does export quicker than the mamouth 3 hours or so it took last night.
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Dario Piovera

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As suggest I tried with 2 pictures with 1:1 preview but again it hung!
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Todd Shaner, Champion

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Try using the Adobe provide template named 'Simple' located in the 'Template Browser' panel on the left side of the screen. Do NOT change any of the settings.
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Dario Piovera

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Il you go in LR cache you will find all the created jpg, but after that the process dosn’t end...
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Matt Boadle

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So as I thought adobe have done nothing with this is, no resolution and no support for a known issue. Thanks adobe!!
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Matthew Zory

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Had this problem months ago and then it 'got fixed'. It's back with the latest update...
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Matt Boadle

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Still three months later and adobe still don't bother to fix the issue. Who do I right to to see if they want to care or to find out if they are going to actually do something about the issue, or even just acknowledge it?

Come on Adobe. My loyalty is waining. Maybe I should just moved to Capture One as friend have recommended?