AI-generated Key Takeaways
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The content lists various Ad Manager API services and their associated error types for version v202508.
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The
RequiredErroris a specific error type within theLineItemTemplateServicethat indicates a missing required field. - 
          
The
RequiredErrorinherits fromApiErrorand includes areasonfield, which specifies the error asREQUIREDwhen a field is missing. 
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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                            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.  | 
                  
                        
                           
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                            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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