AI-generated Key Takeaways
- 
          CustomFieldValueError is an error specific to editing custom field values. 
- 
          This error is used across various services including CreativeSetService, CreativeService, and others listed. 
- 
          CustomFieldValueError inherits from ApiError and includes reasons for the error, such as custom field not found or invalid entity type. 
- 
          The error details include field path information, the triggering data, and a simple string representation of the error. 
Errors specific to editing custom field values
- 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. | 
| CustomFieldValueError | |
| 
                            | The error reason represented by an enum. Enumerations 
 |