AI-generated Key Takeaways
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The AudienceExtensionError is used across various services like ForecastService, LineItemCreativeAssociationService, LineItemService, LineItemTemplateService, and OrderService.
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This error type inherits from ApiError and provides specific reasons related to issues with audience extension enabled line items.
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Common error reasons include frequency caps not being supported, invalid targeting, invalid creative rotation, and issues with budgets or linked accounts for audience extension.
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Several audience extension related actions and configurations are not allowed, such as bulk updates, multiple line items on an order, or copying line items and creatives together.
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The feature itself is deprecated, meaning audience extension can no longer be used.
 
Errors associated with audience extension enabled line items
- Namespace
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https://www.google.com/apis/ads/publisher/v202508 
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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)}.  | 
                  
                        
                           
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                            The data that caused the error.  | 
                  
                        
                           
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                            A simple string representation of the error and reason.  | 
                  
                        
                           AudienceExtensionError
                        
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                         The error reason represented by an enum. Enumerations 
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