# CircleCI: UI 400 Error

> CircleCI status incident “UI 400 Error” on 2022-01-14: impact minor (vendor’s label), 52 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/circleci/incidents/tfcp2tdp1h18
Last updated: 2022-01-14T23:14:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2022-01-14 22:22 UTC · Resolved: 2022-01-14 23:14 UTC · Duration: 52 min
- Updates: 1
- [Vendor status page: https://status.circleci.com/incidents/tfcp2tdp1h18](https://status.circleci.com/incidents/tfcp2tdp1h18)
- [Company: CircleCI](https://rewindex.com/company/circleci.md)

## Timeline of updates

- **resolved** 2022-01-14 23:14 UTC: This issue has been resolved. UI is completely operational.

_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: minor) posted by CircleCI, started 2022-01-14 22:22 UTC, resolved after 52 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/circleci/incidents/tfcp2tdp1h18
- Citation: CircleCI, “UI 400 Error” (2022-01-14 22:22 UTC). Archived by Rewindex: https://rewindex.com/company/circleci/incidents/tfcp2tdp1h18 (CC BY 4.0).
- Markdown link: `[CircleCI: UI 400 Error (2022-01-14)](https://rewindex.com/company/circleci/incidents/tfcp2tdp1h18)`


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Canonical: https://rewindex.com/company/circleci/incidents/tfcp2tdp1h18 · Markdown: https://rewindex.com/company/circleci/incidents/tfcp2tdp1h18.md · JSON: https://rewindex.com/api/v1/companies/circleci/incidents/tfcp2tdp1h18 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T16:42:12.822Z