# FallbackReason

Reasons for using fallback response.

| Enums ||
|---|---|
| `FALLBACK_REASON_UNSPECIFIED` | No fallback reason specified. |
| `SERVER_ERROR` | A server error happened while calculating routes with your preferred routing mode, but we were able to return a result calculated by an alternative mode. |
| `LATENCY_EXCEEDED` | We were not able to finish the calculation with your preferred routing mode on time, but we were able to return a result calculated by an alternative mode. |