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.
To confirm that it is ok to be deleted, I would look in the config folder for any config files with the string taxonomyextra in.
If you don't find any, then yet it is probably safe to drop...
Posted10 hours 32 min ago by Martin Price | System Horizons Ltd (yorkshirepudding) on:
Today there was finally time to delve into this issue. First I downloaded the field_data_taxonomyextra table into a spreadsheet. There is a column called Bundle, which in my case included,...
Hi Enthusiast - there is work in progress on an improvement to core that I think will help this.
https://github.com/backdrop/backdrop-issues/issues/4127
I don't fully understand it...
Posted1 day 2 hours ago by Martin Price | System Horizons Ltd (yorkshirepudding) on:
As time ran out to discuss this last week, I would like to discuss https://github.com/backdrop/backdrop-issues/issues/6900 (Pre-existing field with reserved entity machine name re-used on entity...
Posted1 day 6 hours ago by Martin Price | System Horizons Ltd (yorkshirepudding) on:
@waldim, come to office hours and I can see what Cursor AI can do in an hour or two finalize this. We did something similar with OpenID connect and it worked great.
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.