AI-generated Key Takeaways
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          InventoryTargetingError is associated with multiple Ad Manager services including AdRuleService, LineItemService, and OrderService. 
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          InventoryTargetingError inherits from ApiError and includes fields such as fieldPath, trigger, and errorString. 
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          The InventoryTargetingError specifically contains a 'reason' field which is an enumeration detailing various targeting errors related to inventory units and placements. 
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          Potential inventory targeting errors include requirements for placements or inventory units, conflicts between targeting and exclusion, issues with targeting units and their ancestors, and restrictions on self-only units. 
- Namespace
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               https://www.google.com/apis/ads/publisher/v202502
| Field | |
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| ApiError(inherited) | |
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| InventoryTargetingError | |
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 Enumerations 
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