Update DNG Previews for multiple images fails with ACR/PS2018

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  • Updated 6 months ago
If I try to use ACR to update previews for multiple DNG images in ACR I get an error message: "Unable to update DNG previews - there was an unknown error". The preview update works fine for one image, just not two or more. Sometimes I get a different error message: "Unable to save raw conversions settings - there was an unknown error".

The same process works fine for multiple images in Lightroom Classic ie Update DNG Previews and Metadata.

I am using Photoshop CC 2018 and the DNG files are created natively in a Leica CL camera. The image folder has read write permissions set for all users and it's all running on a new 2017 27" iMac using OSX 10.12.5.  I can reproduce the problem on a 13" 2013 MacBookPro too.
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Nick Rains

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Posted 6 months ago

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