AI-generated Key Takeaways
- 
          LineItemOperationError lists errors for executing operations on line items within various services like ForecastService, LineItemService, and OrderService. 
- 
          This error type inherits from ApiError and includes specific fields like reasonwhich is represented by an enum indicating the cause of the error.
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          Possible reasons for a LineItemOperationError include lack of permissions, operation not being applicable, the line item being completed, or issues with creatives, company credit status, or activation/deletion restrictions. 
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          The ApiErrorinheritance provides fields likefieldPath,fieldPathElements,trigger, anderrorStringto help identify the cause of the error.
Lists all errors for executing operations on line items
- Namespace
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               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. | 
| LineItemOperationError | |
| 
                            | The error reason represented by an enum. Enumerations 
 |