---
page_type: error
code: 19013
message: >-
  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
level: ERROR
---

## Description

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