# Troubleshooting: Kubernetes

> Chart installation and replicas in a cluster: the symptom, its cause and what to do.

Troubleshooting - Since version 0.1.0 - Flexway v1.7.1 - https://flexway.io/en/docs/operations-troubleshooting-kubernetes/

> Operations guide: configure, deploy and observe the gateway. What the feature does, product side: [product guide](https://flexway.io/en/docs/product-overview/); calling it: [developer guide](https://flexway.io/en/docs/developer-overview/).

A change not taken in a cluster (`ConfigMap` mounted with `subPath`): [Troubleshooting: startup and configuration](https://flexway.io/en/docs/operations-troubleshooting/#contracts-and-reload).

| Symptom | Cause | Action |
| --- | --- | --- |
| `helm install`: `Flexway serves what a contract declares, and none was given` | Neither `openapi` nor `config` in the values | The command it prints ([Moving to Kubernetes](https://flexway.io/en/docs/operations-kubernetes/)) |
| Quota counters disagree across replicas | No shared cache | Declare a Redis, Dragonfly or Valkey |
