AI-generated Key Takeaways
- 
          The CustomTargetingError in the Ad Manager API (v202505) is an ApiError related to CustomTargetingKey and CustomTargetingValue objects. 
- 
          It inherits standard error fields like fieldPath, trigger, and errorString from ApiError. 
- 
          This error can occur in various services including AdRuleService, CustomTargetingService, and LineItemService. 
- 
          The document lists specific error reasons for Custom Targeting Keys, Values, Targeting Expressions, and Audience Segments. 
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          Common errors include issues with keys or values not being found, duplicate names, invalid formats, and using inactive or deleted items. 
Lists all errors related to CustomTargetingKey and CustomTargetingValue objects.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202505
| 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. | 
| CustomTargetingError | |
| 
                            | 
 Enumerations 
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