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.
Glad it works for you!
Regarding selecting options, I've just tested the Views Autocomplete Filters module and got it working after I had a look at the README and made sure to use the same...
Posted9 hours 30 min ago by Olaf Grabienski (Olafski) on:
You are right, that was it... Now my problem is I would like users being able to select from pre-established options, like a drop down or maybe an autocomplete. For that I would the Autocomplete...
Hi geoma, I think your views filter doesn't work because technically it's not searching for the name of the comuna / county but for a number (i.e. the node id of the referenced content item)....
Posted12 hours 38 min 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.