# Experiment Data Missing for Some Experiment Iterations

- Provider: [LaunchDarkly](https://down.guide/providers/launchdarkly)
- Confidence: Confirmed
- Impact: Degraded
- lasted 1d 22h
- started 2026-03-18 02:07 UTC
- Past experiment iterations
- id: DWN-8eee1ab335
- Official page: https://stspg.io/83jx73d150r5

## Updates from LaunchDarkly
### 2026-03-18 02:07 UTC: investigating
We are aware of an issue affecting experiment reporting data for a subset of accounts.
Affected users may see incomplete data for some experiment iterations in the UI.

### 2026-03-18 02:08 UTC: identified
The issue has been identified and a fix is being implemented.

### 2026-03-18 04:17 UTC: identified
We have implemented a mitigation that restores data availability for all current experiment iterations.
Affected accounts should now see up-to-date reporting and exposure data in the UI. 
Our team continues to work on restoring data for previously affected experiment iterations. 
We will provide a further update once full historical data recovery is complete.

### 2026-03-18 22:37 UTC: identified
Our team continues to work on restoring data for previously affected experiment iterations. 
We will provide a further update once full historical data recovery is complete.

### 2026-03-19 04:52 UTC: identified
Our team continues to work on restoring data for previously affected experiment iterations. 
Complete data restoration expected by tomorrow.

### 2026-03-20 00:29 UTC: resolved
Our team completed the data restoration for previously affected experiment iterations. 
Complete data is now available for all experiment iterations in the UI.

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