AI-generated Key Takeaways
- 
          The LabelEntityAssociationError is specific to errors encountered when creating label entity associations within the LineItemService. 
- 
          This error inherits from ApiError and includes fields such as fieldPath, fieldPathElements, trigger, and errorString for identifying the cause of the error. 
- 
          The LabelEntityAssociationError has a specific reason field, an enum that indicates the type of association error, such as duplicate association or invalid association. 
- 
          Possible reasons for this error include a label already being attached, a label applied to an unsupported entity type, negation not being allowed for the entity type, or a label being both applied and negated to the same entity. 
Errors specific to creating label entity associations.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202411
| 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. | 
| LabelEntityAssociationError | |
| 
                            | 
                            The error reason represented by an enum. Enumerations 
 |