# vfx-preset-invalid

> Talos next · Since 0.7

A `*.vfx.json` that names an effect preset (`"preset": "builtin:fx/<name>"`) names an unknown preset, a param the preset does not have, or sets anything besides `name`, `preset` and `params` (the param values).

| | |
|---|---|
| Severity | `error` |
| Source | `contract` |
| Offers a fix patch | no |

## Since / changed

See the version chips above and what changed.