AI-generated Key Takeaways
- 
          
The page lists various services available in the Ad Manager API v202508, including AdRuleService, AdjustmentService, and many others related to advertising and content management.
 - 
          
It details the
AuthenticationError, which is an error indicating a problem during authentication, and provides reasons for such errors, including invalid credentials, missing headers, and network access issues. - 
          
The
AuthenticationErrorinherits fromApiErrorand includes fields such asfieldPath,trigger, anderrorStringto help identify the cause of the error. - 
          
Specific reasons for authentication failure are enumerated, such as
INVALID_EMAIL,AUTHENTICATION_FAILED,MISSING_AUTHENTICATION, andNETWORK_API_ACCESS_DISABLED. 
An error for an exception that occurred when authenticating.
- 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.  | 
                  
                        
                           AuthenticationError
                        
                      | 
                  |
                        
                           
                      | 
                     
                        
                         
 Enumerations 
  |