Describes the part of the request proto that caused the error.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v25/errors/errors.proto)

| Fields ||
|---|---|
| ## `field_path_elements[]` | `https://developers.google.com/google-ads/api/reference/rpc/v25/ErrorLocation.FieldPathElement` A field path that indicates which field was invalid in the request. |