AI-generated Key Takeaways
- 
          The SegmentPopulationService.RequiredError is part of the Google Ad Manager API v202502 namespace. 
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          This error inherits from ApiError and has a specific reasonfield.
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          The reasonfield is an enumeration with a single value:REQUIRED.
- Namespace
- 
               https://www.google.com/apis/ads/publisher/v202502
| Field | |
|---|---|
| ApiError(inherited) | |
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| RequiredError | |
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 Enumerations 
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