The problem is already fixed for digiKam-6.4.0:
https://bugs.kde.org/show_bug.cgi?id=412944Maik
Am Dienstag, 22. Oktober 2019, 22:55:58 CEST schrieb Tóth Csaba:
> Hello!
>
> Piwigo released the 2.10.1 and the export is broken with the error:
> Upload to piwigo version < 2.4 is no longer supported.
>
> How can i upload to piwigo?
>
> thanx
>
> Csaba