# Grafana Cloud: Loki: Error Expanding Log Lines

> Grafana Cloud status incident “Loki: Error Expanding Log Lines” on 2023-07-18: impact none (vendor’s label), 2.2 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/grafana-cloud/incidents/lhtxqj4kzqf3
Last updated: 2023-07-18T17:11:00Z

- Impact (vendor’s label): none
- Status: resolved
- Started: 2023-07-18 14:57 UTC · Resolved: 2023-07-18 17:11 UTC · Duration: 2.2 h
- Updates: 1
- [Vendor status page: https://status.grafana.com/incidents/lhtxqj4kzqf3](https://status.grafana.com/incidents/lhtxqj4kzqf3)
- [Company: Grafana Cloud](https://rewindex.com/company/grafana-cloud.md)

## Timeline of updates

- **resolved** 2023-07-18 17:11 UTC: Engineering has applied a mitigation and users should no longer experience the "TypeError: Cannot read properties of null (reading 'toString')" error when expanding log lines for provisioned (Hosted) Loki datasources. Considering this issue resolved at this time. No further updates.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: none) posted by Grafana Cloud, started 2023-07-18 14:57 UTC, resolved after 2.2 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/grafana-cloud/incidents/lhtxqj4kzqf3
- Citation: Grafana Cloud, “Loki: Error Expanding Log Lines” (2023-07-18 14:57 UTC). Archived by Rewindex: https://rewindex.com/company/grafana-cloud/incidents/lhtxqj4kzqf3 (CC BY 4.0).
- Markdown link: `[Grafana Cloud: Loki: Error Expanding Log Lines (2023-07-18)](https://rewindex.com/company/grafana-cloud/incidents/lhtxqj4kzqf3)`


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Canonical: https://rewindex.com/company/grafana-cloud/incidents/lhtxqj4kzqf3 · Markdown: https://rewindex.com/company/grafana-cloud/incidents/lhtxqj4kzqf3.md · JSON: https://rewindex.com/api/v1/companies/grafana-cloud/incidents/lhtxqj4kzqf3 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:31:02.023Z