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P: Unable to merge the photos. Please cancel and review your selection.

LEGEND ,
Jun 05, 2018 Jun 05, 2018

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This what i get when merging 3 vertical images in Lightroom  shot with D850 and a Schneider TS 28mm lens. It  used to work fine, but now no longer. It works fine in Photoshop. My other 2 Nikon TS lens 24mm and 19mm work fine on both platforms. Am baffled. Help please.

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33 Comments
Community Expert ,
Jun 05, 2018 Jun 05, 2018

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Are these raw images or did you create derivatives (tiff)? Lightroom is extremely picky about things like image size. The images must have absolutely identical pixel sizes; a difference of just one or two pixels already makes it fail.
-- Johan W. Elzenga

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New Here ,
Jun 05, 2018 Jun 05, 2018

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Can you upload the images that are failing?

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LEGEND ,
Jun 05, 2018 Jun 05, 2018

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Have uploaded 2 files to DropBox for you. The one called PhotoMerge contains 3 images that fail in LR + the stitched image in PS.....https://www.dropbox.com/sh/tnmiadrtck6hn0h/AACkwmJlTFzr6D-UnMAX7Mmwa?dl=0   The other file named Successful is from a previous shoot using all the same equipment and settings (as far as I know) that was successfully merged in LR...https://www.dropbox.com/sh/4krj38a5d4bes7a/AAAOnfoT6_-2lz700UgQIqREa?dl=0
The only difference as far as i can tell is that one was shot in India and the other in Indonesia

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LEGEND ,
Jun 05, 2018 Jun 05, 2018

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I use Nikon Capture with my D850 tethered to Mac Book Pro and images show up in Lightroom directly. Settings are Image Quality NEF (RAW), FX 36 x 24, RAW Image size Large (8256 x 5504), Lossless Compressed, 14 bit. The 3 images are selected in LR and Control/M keys are clicked on, but merging fails. (images are not edited before in anyway)

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LEGEND ,
Jun 06, 2018 Jun 06, 2018

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maybe it is a geo political bug

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Community Expert ,
Jun 06, 2018 Jun 06, 2018

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I see no clear reason why they would not stitch, but they indeed also don't on my system. Also not in Camera Raw. I suspect that the overexposed bright doors are throwing off the stitching process, but as you've shown, other software (including Photoshop) can deal with that without a problem.
-- Johan W. Elzenga

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LEGEND ,
Jun 06, 2018 Jun 06, 2018

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Dont think it is the light problem, as i have tested it on other images that are less dynamic. would you have any idea whom i might ask, as i do this for a living and it slows ever shot down having to constantly test the image in PH. and BTW thank you already for your help. the difference between the Nikon and Schneider Krutznacht is it has no electronics at all. but there again, it was working fine before????

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Community Expert ,
Jun 07, 2018 Jun 07, 2018

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You're on the right forum for asking. What I do know is that missing lens profiles makes Lightroom complain when doing stitching. And the use of perspective control lenses also complicates it, because Lightroom does not always know how to distort the images to get the perfect match. Maybe these shots were taken with more shift than others? So while I'm not completely surprised that the stitching failed, if it worked before...
-- Johan W. Elzenga

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LEGEND ,
Jun 07, 2018 Jun 07, 2018

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Nothing has changed in the way I shot the ones that work and the ones now that don't anymore. I do a full shift to one side - shoot, then rotate the lens 180 deg. to the other side, rotate the camera back to the upright position - shoot, then shift back to center for the last shot. No tilting involved, although, in the past I have done that too, successfully. Exactly, it worked before????

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Adobe Employee ,
Jun 07, 2018 Jun 07, 2018

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I have forwarded this thread to the Camera Raw team for review since both Camera Raw and Lightroom Pano stitching are affected but Photoshop is not. 
Rikk Flohr - Customer Advocacy: Adobe Photography Products

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LEGEND ,
Jun 07, 2018 Jun 07, 2018

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Very much appreciated

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Adobe Employee ,
Jun 08, 2018 Jun 08, 2018

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The engineers identified the issue and have logged a bug for it. Thanks for reporting and providing sample files.
Rikk Flohr - Customer Advocacy: Adobe Photography Products

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LEGEND ,
Jun 08, 2018 Jun 08, 2018

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Sound great, but in real terms, what does this mean for me and when can i expect it to work again for me and what , if anything, will i have to do on my side.

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LEGEND ,
Jun 09, 2018 Jun 09, 2018

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This is what i am told, but need to thank you for your time and for caring........ The engineers identified the issue and have logged a bug for it. Thanks for reporting and providing sample files.

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Adobe Employee ,
Jun 11, 2018 Jun 11, 2018

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Once the engineers have made a fix and it is live, we will respond on this thread. I don't have an ETA I can share with you. 
Rikk Flohr - Customer Advocacy: Adobe Photography Products

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New Here ,
Aug 17, 2018 Aug 17, 2018

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been 2 month now. Any news yet

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Adobe Employee ,
Aug 22, 2018 Aug 22, 2018

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The news is.... this should be fixed in 10.5 released today. Give it a spin and let us know if you have further issues. 
Rikk Flohr - Customer Advocacy: Adobe Photography Products

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New Here ,
Aug 22, 2018 Aug 22, 2018

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Will do. Many thanks upfront

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New Here ,
Aug 24, 2018 Aug 24, 2018

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Delighted. After spending $5000 on the lens, I can now get its full use again.
tx
Christopher

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New Here ,
Oct 22, 2018 Oct 22, 2018

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Rikki - Got a new one for you. In Lightroom, when I HDR some bracketed images, the results come out with patches of excessive noise. Have no idea why and I have to resort back to using Nik Efex Pro 2. Here is a Dropbox link to view 1) The 6 dng images, 2) the resulting HDR dng where patch noise is visible,  3) the final jpg image that was made with Nik .  https://www.dropbox.com/s/xgwd57e7w13l760/Noise.zip?dl=0
Tx, Christopher

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Contributor ,
Oct 23, 2018 Oct 23, 2018

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Hi Christopher. Maybe you have deghosting on. It's not the best feature of the HDR merge but I've seen this noise you're referring to before and it was when I forgot to switch it off when I didn't need it. Switch deghosting off and try again.

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New Here ,
Oct 25, 2018 Oct 25, 2018

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Hi Jerry, You are right. Noise problem gone, but now I have a ghosting problem. Is there hope that LR will be improved in this matter in the near future?

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Contributor ,
Oct 25, 2018 Oct 25, 2018

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Ha, God knows! They are reading these posts and have made some improvements to merging in recent releases so there's always hope. In the meantime, try playing around with the different levels of deghosting. Low might work best. 

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New Here ,
Oct 25, 2018 Oct 25, 2018

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I will, but thanks either way for your time. and if ghosting is a problem there is always Nik Efex, but that software annoyingly only spits out a tif file.

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LEGEND ,
Mar 02, 2019 Mar 02, 2019

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I am having the problem of 'Unable to merge photos' far too often lately. I set the deghost amount to 'none and I've finally had success but it shouldn't be like this.

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