AI-generated Key Takeaways
- 
          AudienceExtensionError is an error type used in Ad Manager API v202502 related to line items with audience extension enabled. 
- 
          This error can occur for various reasons, such as invalid targeting, unsupported features like frequency caps, or issues with linked accounts and creatives. 
- 
          Audience extension line items have specific restrictions, including only supporting standard line item types and allowing only one creative placeholder. 
Errors associated with audience extension enabled line items
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202502
| Field | |
|---|---|
| ApiError(inherited) | |
| 
                            | 
                            The OGNL field path to identify cause of error. | 
| 
                            | A parsed copy of the field path. For example, the field path "operations[1].operand" corresponds to this list: {FieldPathElement(field = "operations", index = 1), FieldPathElement(field = "operand", index = null)}. | 
| 
                            | 
                            The data that caused the error. | 
| 
                            | 
                            A simple string representation of the error and reason. | 
| AudienceExtensionError | |
| 
                            | The error reason represented by an enum. Enumerations 
 |