I'm trying to modify the ISO20022 Credit Transfer configuration and add some fields. For the address information I'm getting an error on just the state field, while the others (city, postal code, country, street) are all working. The error is: "Path '$PaymentByDebtor/$FirstPaymentInGroup/Debtor/PostalAddress/State' has no binding to any datasource in using model's mapping"
Here you can see the field in the format designer.

The error message I get when saving:

The format selected and the mapping on the right under configuration components:

And the field under the model mapping designer:

I'm new to ER so I don't know what I'm missing here.