# Sigma Computing: High errors showing being displayed in workbooks

> Sigma Computing status incident “High errors showing being displayed in workbooks” on 2026-06-22: impact minor (vendor’s label), 41 min, 2 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/sigma-computing/incidents/f8h23zwcrs78
Last updated: 2026-06-22T18:52:42Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-06-22 18:11 UTC · Resolved: 2026-06-22 18:52 UTC · Duration: 41 min
- Updates: 2 · Affected components: AWS - Sigma - AWS (US), Sigma - AWS (US)
- [Vendor status page: https://stspg.io/dvw8lh2w6vly](https://stspg.io/dvw8lh2w6vly)
- [Company: Sigma Computing](https://rewindex.com/company/sigma-computing.md)

## Timeline of updates

- **investigating** 2026-06-22 18:11 UTC: We have received reports of errors loading workbook elements on their Sigma application. We are investigating the issue at the highest priority. Our preliminary investigations indicate the following: Impacted Cloud Regions & Services: AWS aws-us-west-2 User Experience: "An error has occurred" presented on workbooks. Incident Start Time: Approximately 10:30 AM PST We will provide updates on this page when we have pertinent status updates.
- **resolved** 2026-06-22 18:52 UTC: We identified a higher than usual spike in CPU usage during the timeframe below on our AWS instance. We scaled our infrastructure accordingly to accommodate this and the mitigation measures have proven effective, and our monitoring indicates that this issue is resolved. We will perform a root cause analysis (RCA) and publish our findings in a postmortem note to the Sigma Community site in the coming days. Impacted Cloud Regions & Services: AWS US-WEST-2 User Experience: We expect users to no longer experience workbook errors. Incident Start Time: Approximately 17:30 UTC June 22, 2026 Incident End Time: Approximately 18:14 UTC June 22, 2026

## Cite this

Status incident (vendor impact label: minor) posted by Sigma Computing, started 2026-06-22 18:11 UTC, resolved after 41 min, 2 update(s).

- Canonical URL: https://rewindex.com/company/sigma-computing/incidents/f8h23zwcrs78
- Citation: Sigma Computing, “High errors showing being displayed in workbooks” (2026-06-22 18:11 UTC). Archived by Rewindex: https://rewindex.com/company/sigma-computing/incidents/f8h23zwcrs78 (CC BY 4.0).
- Markdown link: `[Sigma Computing: High errors showing being displayed in workbooks (2026-06-22)](https://rewindex.com/company/sigma-computing/incidents/f8h23zwcrs78)`


---
Canonical: https://rewindex.com/company/sigma-computing/incidents/f8h23zwcrs78 · Markdown: https://rewindex.com/company/sigma-computing/incidents/f8h23zwcrs78.md · JSON: https://rewindex.com/api/v1/companies/sigma-computing/incidents/f8h23zwcrs78 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T16:35:21.278Z