# InternalError

> Indicates that unknown error occured while downloading an asset pack.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.Android](/engine/6000.6/script-reference/unityengine/android.md)
* **Assembly:** UnityEngine.AndroidJNIModule

```csharp
InternalError = -100
```

### Remarks

Some possible causes of this are:

* You are trying to use PlayCore API to access install-time delivered Android asset pack.
* You are testing a locally built application (not installed from the Google Play Store) and the Android asset pack with the specified name does not exist.

Additional Resources: [AndroidAssetPacks.DownloadAssetPackAsync](/engine/6000.6/script-reference/unityengine/android/androidassetpacks/downloadassetpackasync.md), [AndroidAssetPacks.GetAssetPackStateAsync](/engine/6000.6/script-reference/unityengine/android/androidassetpacks/getassetpackstateasync.md).