# ApiNotAvailable

> Indicates that the Asset Delivery API is not available.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.Android](/engine/6000.7/script-reference/unityengine/android.md)
* **Assembly:** UnityEngine.AndroidJNIModule

```csharp
ApiNotAvailable = -5
```

### Remarks

One possible cause of this is that the PlayCore version you added to the project is too old.

Additional Resources: [AndroidAssetPacks.DownloadAssetPackAsync](/engine/6000.7/script-reference/unityengine/android/androidassetpacks/downloadassetpackasync.md), [AndroidAssetPacks.GetAssetPackStateAsync](/engine/6000.7/script-reference/unityengine/android/androidassetpacks/getassetpackstateasync.md)