AI-generated Key Takeaways
- 
          
Errors specific to associating activities to line items are handled by the
LineItemActivityAssociationError. - 
          
This error inherits from
ApiError, providing common fields such asfieldPath,fieldPathElements,trigger, anderrorString. - 
          
The
LineItemActivityAssociationErrorincludes areasonfield with specific enum values likeINVALID_ACTIVITY_FOR_ADVERTISER,INVALID_COST_TYPE_FOR_ASSOCIATION, andUNKNOWN. - 
          
These reasons indicate specific issues such as associating an activity that doesn't belong to the same advertiser or associating an activity with a line item that doesn't 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 
  |