AI-generated Key Takeaways
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The webpage lists numerous services available in the Ad Manager API version v202508, including services for managing ad rules, adjustments, inventory, and reporting.
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It also details various inheritance relationships for
ApiError, outlining different types of errors that can occur, such as authentication, permission, and server errors. - 
          
The specific error
RequiredErroris highlighted, indicating errors caused by missing required fields. - 
          
The
RequiredErrorincludes areasonfield, which is an enum that explains the cause, such asREQUIREDfor a missing required field. - 
          
Detailed fields like
fieldPath,fieldPathElements,trigger, anderrorStringare available withinApiErrorand its descendants to help identify the specific cause and location of an error. 
Errors due to missing required field.
- Namespace
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https://www.google.com/apis/ads/publisher/v202508 
                        Field | 
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|---|---|
                        
                           ApiError (inherited)
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                  |
                        
                           
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                            The OGNL field path to identify cause of error.  | 
                  
                        
                           
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                         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.  | 
                  
                        
                           RequiredError
                        
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                         The error reason represented by an enum. Enumerations 
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