# collider-material-invalid

> Talos next · Since 0.6

A `collider.material` has a negative friction, a restitution outside 0..1, or a slope limit outside 0..90 degrees.

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

## Messages

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

- `collider.material.friction is <…>; it must be a finite number of 0 or more`
- `collider.material.restitution is <…>; it must be between 0 and 1`
- `collider.material.slopeLimit is <…>; it must be between 0 and 90 degrees`

## Components it can refuse

- `collider`

## Since / changed

See the version chips above and what changed.