# RdkNotLoadedException class

Namespace: [Rhino.Runtime](https://developer.rhino3d.com/api/rhinocommon/namespace/rhino.runtime.md) · Assembly: [RhinoCommon](https://developer.rhino3d.com/api/rhinocommon/assembly/rhinocommon.md)

```cs
[Serializable]
public class RdkNotLoadedException : Exception
```

Is thrown when the RDK is not loaded.

## Constructors

- [RdkNotLoadedException](https://developer.rhino3d.com/api/rhinocommon/type/rhino.runtime.rdknotloadedexception/ctor.md): Initializes a new instance of the RDK not loaded exception with a standard message.