# omni-gateway-diagnose Diagnose Omni Gateway errors and failures given any combination of log output, dump files, or symptom descriptions. Use when the user reports a gateway error (5xx, 4xx, gateway unreachable, policy not applying), has log output to analyze, needs to decide whether to request debug logs from a customer, or needs to determine whether an issue requires escalation to the gateway team. - **Skill Source:** [SKILL.md](https://dev-portal.mulesoft.com/skills/omni-gateway/omni-gateway-diagnose/SKILL.md)