2024-01-22: System notes authored by a deleted user/bot prevent any Work Item discussions from being loaded

Customer Impact

System notes by a deleted user prevent work items to be loaded properly.

Current Status

More information will be added as we investigate the issue. For customers believed to be affected by this incident, please subscribe to this issue or monitor our status page for further updates.

  1. We are investigating the issue at the moment and are looking into a potential fix 👉 #17436 (comment 1735630399)
  2. We've identified the root cause: #17436 (comment 1735660089)
  3. We've identified the cause as an issue reported a few days prior. There is an open MR that addresses the problem: #17436 (comment 1735678464)
  4. The fix ( gitlab-org/gitlab!142206 (merged)) has been merged and is waiting deployment.
  5. The fix in on production-canary and confirmed to solve the issue. We will now wait for deployment to production for final resolution.

📝 Summary for CMOC notice / Exec summary:

📚 References and helpful links

Recent Events (available internally only):

Deployment Guidance

Use the following links to create related issues to this incident if additional work needs to be completed after it is resolved:

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Security Note: If anything abnormal is found during the course of your investigation, please do not hesitate to contact security.

Edited by Brandon Labuschagne