Outage in GitLab

Increased error rate for GitLab Duo Classic

Resolved Minor
December 22, 2025 - Started 3 days ago - Lasted about 2 hours

Incident Report

We are seeing increased errors for Duo Classic. Users are experiencing Error Code: A1004. For full details, see https://gitlab.com/gitlab-com/gl-infra/production/-/issues/21032

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Latest Updates ( sorted recent to last )
3 days ago - at 12/22/2025 03:38PM

We are seeing increased errors for Duo Classic. Users are experiencing Error Code: A1004. For full details, see https://gitlab.com/gitlab-com/gl-infra/production/-/issues/21032

3 days ago - at 12/22/2025 04:01PM

We are seeing improvements in the error rate and are continuing investigations. For full details, see https://gitlab.com/gitlab-com/gl-infra/production/-/issues/21032

3 days ago - at 12/22/2025 04:29PM

We are seeing further improvement and are continuing investigations. As a possible workaround, switching to a different model can be used. Full details in https://gitlab.com/gitlab-com/gl-infra/production/-/issues/21032

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