AI-generated Key Takeaways
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This document outlines different service errors related to associating labels with entities.
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The
LabelEntityAssociationErrorindicates issues when attaching labels, with various reasons provided for the error. - 
          
Specific error reasons include duplicate associations, invalid associations for the entity type, and issues with label negation.
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An "UNKNOWN" error reason is provided for values not exposed by the requested API version.
 
The reasons for the target error.
- Namespace
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https://www.google.com/apis/ads/publisher/v202508 
| Enumeration | Description | 
|---|---|
                        DUPLICATE_ASSOCIATION
                      | 
                     The label has already been attached to the entity. | 
                        INVALID_ASSOCIATION
                      | 
                     A label is being applied to an entity that does not support that entity type. | 
                        NEGATION_NOT_ALLOWED
                      | 
                     Label negation cannot be applied to the entity type. | 
                        DUPLICATE_ASSOCIATION_WITH_NEGATION
                      | 
                     The same label is being applied and negated to the same entity. | 
                        UNKNOWN
                      | 
                     The value returned if the actual value is not exposed by the requested API version. |