# Unknown

> The query encountered an error and returned an unknown result. This should not happen unless a serious issue was encountered.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.LowLevelPhysics2D](/engine/6000.3/script-reference/unityengine/lowlevelphysics2d.md)
* **Assembly:** UnityEngine.Physics2DModule

```csharp
Unknown = 0
```