AI-generated Key Takeaways
- 
          The LineItemTemplateService has a variety of error types, including the UniqueError. 
- 
          The UniqueError is triggered when a field violates a uniqueness constraint. 
- 
          The error details for UniqueError include inherited fields such as fieldPath, fieldPathElements, trigger, and errorString. 
An error for a field which must satisfy a uniqueness constraint
- 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. | 
| UniqueError | |