AI-generated Key Takeaways
- 
          The page lists various Google Ad Manager API services available in version v202502, such as AdRuleService, CreativeService, and OrderService. 
- 
          It details the inheritance hierarchy of errors, showing that various specific errors like AuthenticationError and CollectionSizeError inherit from the base ApiError. 
- 
          The UniqueError specifically indicates an error related to a field that must have a unique value. 
- 
          The page provides details about the fields of an ApiError, including fieldPath,fieldPathElements,trigger, anderrorString, which help identify and understand the cause of an error.
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 | |