Account field shows wrong values
Your task
Customer-support tickets spike: users say their account page shows wrong or blank values for one field (their plan name). The service is up, error rate is normal, and latency is fine, no 500s at all. The only recent change is a deploy two hours ago that touched how that field is read and written. How do you triage a 'no errors but wrong output' incident?
It covers
- Data quality
- Rollback
- Validation