AI-generated Key Takeaways
- 
          RequiredError is an error type indicating a missing required field in the LineItemService. 
- 
          It inherits properties like fieldPath, fieldPathElements, trigger, and errorString from ApiError. 
- 
          The specific reason for a RequiredError is indicated by the reasonfield, which is an enum with the valueREQUIRED.
- 
          This error is part of the Google Ad Manager API reference for version v202505. 
Errors due to missing required field.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202505
| 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. | 
| RequiredError | |
| 
                            | The error reason represented by an enum. Enumerations 
 |