AI-generated Key Takeaways
- 
          BillingError lists all errors associated with the billing settings of a proposal or proposal line item. 
- 
          BillingError inherits from ApiError and includes specific fields like fieldPath, fieldPathElements, trigger, and errorString. 
- 
          The BillingError has a reasonfield which is an enum indicating the specific cause of the billing error, such as unsupported schedules, missing sources, or invalid bases.
- 
          There are several enumerated reasons for a BillingError, including issues with billing schedules, caps, sources, and bases. 
- 
          Updating billing settings is not allowed once a proposal has been approved. 
Lists all errors associated with the billing settings of a proposal or proposal line item.
- 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. | 
| BillingError | |
| 
                            | The error reason represented by an enum. Enumerations 
 |