AI-generated Key Takeaways
- 
          The page lists various Ad Manager API services available in version v202508, including services for adjustments, companies, creatives, inventory, and more. 
- 
          A significant portion of the content details errors, particularly those that inherit from ApiError, with a specific focus on theNullErrorand its possible reasons likeNULL_CONTENT.
- 
          The NullErroroccurs when a NOT NULL check is violated, and it includes fields likefieldPath,trigger, anderrorStringfor identifying the error's cause and details.
Errors associated with violation of a NOT NULL check.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202508
| 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. | 
| NullError | |
| 
                            | The error reason represented by an enum. Enumerations 
 |