Error 19013
ERROR - 19013
At least one of the following fields is required for a contact: first_name, middle_name, last_name, legal_name, preferred_name, unique_customer_provided_id or channel
Contact should contain at least one required field
Possible Causes
Contact does not possess even one required field
Possible Solutions
Contact should contain at least one of the following fields - first_name, middle_name, last_name, legal_name, preferred_name, unique_customer_provided_id or channel