# ui.unavailable

> Talos 0.7 · Since 0.6

this world has no UI runtime, so every `ctx.ui` call is refused

| | |
|---|---|
| Severity | `error` |

## Meaning

this world has no UI runtime, so every `ctx.ui` call is refused

## Fix

run with the UI (a normal `argus run`); a mock world in a unit test has none