# animator-layer-invalid

> Talos 0.7 · Since 0.7

An animator layer that cannot be built: an empty or repeated name, a weight outside 0..1, a negative or non-finite `blendIn` or `blendOut`, a `weightParam` or `initial` that names nothing declared, an empty `mask` or a mask weight outside 0..1, or a `reference` on a layer that is not additive or a `referenceAt` without one or outside 0..1.

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

## Where it points

- `/<n>/<n>`

## Components it can refuse

- `animator`

## Since / changed

See the version chips above and what changed.