# GitLab: Duo Workflow and AI Gateway intermittent errors

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-03-12 15:34 UTC · Resolved: 2026-03-12 19:22 UTC · Duration: 3.8 h
- Updates: 6 · Affected components: GitLab Duo, Website
- [Vendor status page: https://status.gitlab.com/pages/incident/5b36dc6502d06804c08349f7/69b2dd14600c4c057b9feffe](https://status.gitlab.com/pages/incident/5b36dc6502d06804c08349f7/69b2dd14600c4c057b9feffe)
- [Company: GitLab](https://rewindex.com/company/gitlab.md)

## Timeline of updates

- **investigating** 2026-03-12 15:34 UTC: We are currently investigating an issue affecting Duo Workflow and AI Gateway for requests routed through GPT models. Users may experience errors using only gpt models on DAP. Engineering is currently investigating the issue.
- **investigating** 2026-03-12 15:40 UTC: The cause for the intermittent errors is still under investigation.
- **identified** 2026-03-12 16:26 UTC: Our team has identified the issue as related to a recent commit. Our team is discussing next steps. Users may also experience NotImplementedError with Code Review flows. More information will be available in: https://gitlab.com/gitlab-com/gl-infra/production/-/work\_items/21529
- **identified** 2026-03-12 16:52 UTC: Our team is currently reverting some recent changes to resolve the issue.
- **identified** 2026-03-12 17:48 UTC: This incident is pending a deployment to resolve the issue. We'll provide an update once it is deployed.
- **resolved** 2026-03-12 19:22 UTC: The fix has been deployed and we have not seen any more errors. This incident is now resolved.

## Rewindex changes for this incident

- 2026-03-12 15:34 UTC: [Major incident: Duo Workflow and AI Gateway intermittent errors](https://rewindex.com/change/id4a44496f1522e.md)


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Canonical: https://rewindex.com/company/gitlab/incidents/69b2dd14600c4c057b9feffe · Markdown: https://rewindex.com/company/gitlab/incidents/69b2dd14600c4c057b9feffe.md · JSON: https://rewindex.com/api/v1/companies/gitlab/incidents/69b2dd14600c4c057b9feffe · Generated 2026-10-18T10:24:59.889Z