# Errors when querying Prometheus datasource

- Provider: [Grafana Cloud](https://down.guide/grafana-cloud)
- Level: confirmed
- Impact: Degraded
- lasted 51m
- started 2026-10-13 19:55 UTC
- GCP US Central - prod-us-central-4
- us, us-central-4
- id: DWN-ab48584bab
- Official page: https://stspg.io/tkdwbmz3gpx0

## Updates from Grafana Cloud
### 2026-10-13 19:55 UTC: investigating
A small number of customers with stacks in prod-us-central-4 are receiving "forbidden" errors when querying Prometheus data sources. 
We are investigating and will provide an update soon.

### 2026-10-13 20:01 UTC: investigating
We are continuing to investigate this issue.

### 2026-10-13 20:29 UTC: monitoring
We have put some mitigations in place which seem to have helped with the errors. 
We continue to monitor the results.

### 2026-10-13 20:46 UTC: resolved
This incident has been resolved. Thank you for your patience.

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