# MissingAsset

> The object being queried is part of a Prefab instance, but because the asset is missing the actual type of Prefab can’t be determined.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor](/engine/6000.3/script-reference/unityeditor.md)
* **Assembly:** UnityEditor

```csharp
MissingAsset = 4
```