# material-mask-from-wear-both

> Talos 0.7 · Since 0.7

A layer of a `*.material.json` has more than one of `maskFrom.edge`, `cavity`, `ao`, `convexity` and `concavity`: a layer reads one wear signal, so use two layers for both. docs/MATERIALS.md.

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

## Messages

The message opens with the code; `<…>` stands for a value.

- `layers[<…>].maskFrom has more than one wear signal (<…>): a layer reads one (use two layers for both)`

## Where it points

- `/layers/<n>/maskFrom/<n>`

## Since / changed

See the version chips above and what changed.