When you edit images in an album (not individual images) you can search for the new album. This list isn't sorted, so it gives you the idea that you find the correct album, while it maybe a lower, or higher in the list.
In admin mode move to album isn't sorted
This is a GitHub Issue
repo:Piwigo
owner:Piwigo
Title : In admin mode move to album isn't sorted
Issue date:

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When you edit images in an album (not individual images) you can search for the new album. This list isn't sorted, so it gives you the idea that you find the correct album, while it maybe a lower, or higher in the list.
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