AI-generated Key Takeaways
- 
          GrpSettingsError represents errors associated with line items that have GRP settings. 
- 
          This error type inherits from ApiError and includes a reason field indicating the specific cause of the error. 
- 
          Possible reasons for a GrpSettingsError include invalid age ranges, unsupported line item types or environments, and issues with Nielsen DAR or registration. 
- 
          Certain GRP settings, such as age range and goal type, have specific constraints and cannot be changed after a line item starts serving. 
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          Geographic targeting limitations may also trigger a GrpSettingsError for line items with GRP audience goals. 
Errors associated with line items with GRP settings.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202505
| 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. | 
| GrpSettingsError | |
| 
                            | The error reason represented by an enum. Enumerations 
 |