AI-generated Key Takeaways
- 
          ForecastService, LineItemService, LineItemTemplateService, and OrderService are relevant services for associating activities to line items. 
- 
          The LineItemActivityAssociationErrorclass indicates errors specific to associating activities with line items.
- 
          Common errors include associating an activity with a line item belonging to a different advertiser or associating activities with line items that do not have a CostType.CPA.
Errors specific to associating activities to line items.
- 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. | 
| LineItemActivityAssociationError | |
| 
                            | 
                            The error reason represented by an enum. Enumerations 
 |