AI-generated Key Takeaways
- 
          CustomFieldError represents errors specific to editing custom fields. 
- 
          CustomFieldError inherits from ApiError. 
- 
          Errors include issues with field paths, data triggers, and reasons represented by an enum. 
- 
          An invalid custom field for an option or an unknown reason can cause a CustomFieldError. 
Errors specific to editing custom fields
- 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. | 
| CustomFieldError | |
| 
                            | The error reason represented by an enum. Enumerations 
 |