AI-generated Key Takeaways
- 
          MobileApplicationTargetingError is a type of ApiError used across several services including ForecastService, LineItemService, and YieldGroupService. 
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          It has inherited fields from ApiError such as fieldPath, fieldPathElements, trigger, and errorString. 
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          The MobileApplicationTargetingError specifically includes a 'reason' field, which can have values like CANNOT_TARGET_UNLINKED_APPLICATION or UNKNOWN. 
- Namespace
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               https://www.google.com/apis/ads/publisher/v202502
| Field | |
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| ApiError(inherited) | |
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| MobileApplicationTargetingError | |
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 Enumerations 
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