# Rule Base Segment supported SDKs timeout (FME Only)

- Provider: [Harness](https://down.guide/harness)
- Level: confirmed
- Impact: Degraded
- lasted 0m
- started 2026-04-28 21:48 UTC
- id: DWN-acf2a258cf
- Official page: https://stspg.io/2ws14zszwx8t

## Updates from Harness
### 2026-04-28 18:27 UTC: resolved
Requests made by SDKs with Rule Based Segments support could have gotten a null instead of an empty for responses with no Rule Based Segments, leading to an null pointer exception. 
Impact observed: 18:27 until 19:05 UTC. 
The impact for SDKs would have been a failure to initialize or process an update. Any change made to feature flags or RBS in an affected environment would re-generate any specific caches remaining.

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