It looks like that field must be of type "number" and be limited to one value like you see in the image above. The "number of values" fieldset should be on the content type's manage fields page, e.g. "admin/structure/types/manage/<content-type>/fields/<field-of-type-mailchimp-subscription>".
I would check the manage field page to make sure it is set to one for the number of values allowed.
There is a Drupal 7 contrib module that "lets the administrator see all administration pages in her preferred language" and which could be ported to Backdrop: https://www.drupal.org/project/...
Posted1 week 11 hours ago by Olaf Grabienski (Olafski) on:
@stpaultim – You're right: my approach affects also the main menu. I guess, because menus are also considered as user interface (not as content).
@findlabnet – If I didn't miss anything,...
Posted1 week 11 hours ago by Olaf Grabienski (Olafski) on:
@olaf - Sorry, but I don't think that works. I tried it and you are correct, with this change, I can switch from the English version to the German version of a page, without changing the entire...
Use case is an English speaking support person working on a multilingual site and fixing bugs with the French translation of the content.
I found one solution for your use...
Posted1 week 22 hours ago by Olaf Grabienski (Olafski) on:
Comments
The specific error you are seeing comes from https://github.com/backdrop-contrib/mailchimp/blob/1b970f66c112e88d2ccfe....
It looks like that field must be of type "number" and be limited to one value like you see in the image above. The "number of values" fieldset should be on the content type's manage fields page, e.g. "admin/structure/types/manage/<content-type>/fields/<field-of-type-mailchimp-subscription>".
I would check the manage field page to make sure it is set to one for the number of values allowed.