AI-generated Key Takeaways
- 
          The BillingError object is associated with the ProposalLineItemService and inherits from ApiError. 
- 
          BillingError lists various errors related to the billing settings of proposal line items. 
- 
          Specific fields like fieldPath,trigger, anderrorStringare inherited from ApiError to provide details about the error.
- 
          The reasonfield within BillingError provides an enum value detailing the specific cause of the billing error.
- 
          Billing error reasons include issues with unsupported schedules or caps, missing billing sources, invalid billing bases, and restrictions on updating billing settings after approval. 
Lists all errors associated with the billing settings of a proposal or proposal line item.
- 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. | 
| BillingError | |
| 
                            | The error reason represented by an enum. Enumerations 
 |