# Sigma Computing: Major incident: Scheduled exports using image (PNG) files erroring

**Summary:** Sigma Computing reported a major (Severity 0) incident affecting all scheduled export types, with errors later described as intermittent across AWS, Azure and GCP. It started at 2023-07-27 13:29 UTC and was resolved at 2023-07-27 14:13 UTC, lasting 44 min. Sigma implemented a fix and said customers could resend impacted exports. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2023-07-27 13:29 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/xz1ps09dg1y6](https://stspg.io/xz1ps09dg1y6)
- [Company: Sigma Computing](https://rewindex.com/company/sigma-computing.md)
- Versions: before (none: first archived) → after incident\_version:77/8r3rgq7k60pp@6ee2373d96d7
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Scheduled exports using image (PNG) files erroring
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ postmortem
```

**4. Added: Start time**

```diff
+ 2023-07-27 13:29 UTC
```

**5. Added: Resolved time**

```diff
+ 2023-07-27 14:13 UTC
```

**6. Added: Affected components**

```diff
+ AWS - Sigma - AWS (Canada), AWS - Sigma - AWS (Europe), AWS - Sigma - AWS (US), Azure - Sigma - Azure (US), GCP - Sigma - GCP (US), Sigma - AWS (Canada), Sigma - AWS (Europe), Sigma - AWS (US), Sigma - Azure (US), Sigma - GCP (US)
```

**7. Added: Update** (identified) · 2023-07-27 13:29 UTC

```diff
+ Sigma Computing is currently addressing a Severity 0 incident with Scheduled Exports that are failing. This is currently affecting all scheduled export types.
```

**8. Added: Update** (identified) · 2023-07-27 13:36 UTC

```diff
+ We are continuing to diagnose this issue; currently scheduled export errors appear to be occurring intermittently.
```

**9. Added: Update** (monitoring) · 2023-07-27 13:51 UTC

```diff
+ A fix has been implemented and we have seen the rate of errors decrease substantially. We are continuing to closely monitor scheduled export activity.
```

**10. Added: Update** (resolved) · 2023-07-27 14:13 UTC

```diff
+ The fix has resolved the root cause for the scheduled export error increase. You can resend any impacted exports. Our apologies for any inconvenience this caused. Incident End Time: Approximately 13:30 UTC July 27, 2023 We will perform a root cause analysis (RCA) and publish our findings in a postmortem note to the Sigma Community site in coming days. You will receive a notification when that occurs.
```

**11. Added: Update** (postmortem) · 2023-07-28 21:54 UTC

```diff
+ Sigma Engineering has completed the postmortem of this incident. A Root Cause Analysis \(RCA\) is available on the Sigma Community site: [Postmortem for July 27, 2023 - Image \(PNG\) Exports Erroring on Sigma AWS, GCP, and Azure](https://community.sigmacomputing.com/t/postmortem-for-july-27-2023-image-png-exports-erroring-on-sigma-aws-gcp-and-azure/2488/1)
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2023-07-27 13:29 UTC | Major incident: Scheduled exports using image (PNG) files erroring (this change) | outage |

All Sigma Computing changes: [timeline](https://rewindex.com/company/sigma-computing/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/i48ab0e7188ff35 · Markdown: https://rewindex.com/change/i48ab0e7188ff35.md · JSON: https://rewindex.com/api/v1/changes/i48ab0e7188ff35 · Generated 2026-10-18T03:29:27.472Z