Publish error - WPLR Sync

New Here ,
Jun 08, 2021 Jun 08, 2021

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I have a plugin wich syncs Lightroom to WordPress. (WPLR Sync) 
I wanted to upload a folder over the Lightroom plugin, but I get the error "Can't update this collection. An internal error has occurred: wplr.lrpugin/WPLRSyncExportServiceProvider.lua:66 4: attempt to compare number with nil" https://snipboard.io/vJYez4.jpg

I tried these steps already
https://helpx.adobe.com/lightroom-classic/kb/errors-occur-using-lightrooms-publish.html

I don't upload often to my blog but 4 months ago it still worked. I have changed nothing but kept all versions of the software up to date on my mac and WordPress installation. 

Any other ideas on what I could try?

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Adobe Community Professional ,
Jun 08, 2021 Jun 08, 2021

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"Can't update this collection. An internal error has occurred: wplr.lrpugin/WPLRSyncExportServiceProvider.lua:66 4: attempt to compare number with nil"

 

Your screenshot shows the collection you're trying to publish is currently sorted by Custom Order. LR 10.0 introduced a bug with custom-order collections that was fixed in a later version.  So double-check which version of LR you're running by doing the menu command Help > System Info.  If you don't have 10.3, do Help > Updates.

 

If the problem still occurs with 10.3, select the collection in the Publish Services panel and do View > Sort > Capture Time.  Then try republishing it.

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New Here ,
Jun 09, 2021 Jun 09, 2021

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Thank you for your answer. I am running Lightroom Classic 10.3 with camera
raw 13.3.

It might have auto updated last night since I had this morning a ‘what’s
new’ window pop up. So I tried again and then also with the ‘sorting by
capture time’ but the same result 😕

Any other ideas?
--
Sent from my iPhone.

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Adobe Community Professional ,
Jun 09, 2021 Jun 09, 2021

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That error message strongly indicates that you're tripping over the bug introduced in LR 10.0 with custom order of photos in collections and folders:

https://feedback.photoshop.com/conversations/lightroom-classic/lightroom-classic-when-trying-to-add-...

 

While 10.2 fixed that bug, it's possible that bug hasn't completely fixed issues with publishing-service collections.   (The programmer who implemented the change in LR 10.0 was clearly not as skilled as they should have been.) 

 

A couple of next steps to narrow down the issue and hopefully work around it:

 

1. Tediously select each published collection, including "Photos", in the WP/LR Sync service and do View > Sort > Capture Time.  Perhaps when you try to publish, the plugin is accessing these other collections.

 

2. Try creataing a new collection in the publishing service and publishing it.

 

3. Try creating a new instance of the publishing service with a collection containing a few photos.

 

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