# TwigMergeMetaDataException class

Namespace: [Grasshopper2.Data](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.data.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public sealed class TwigMergeMetaDataException : Exception
```

Exception used when mismatched twigs are used during meta data merging.

## Constructors

- [TwigMergeMetaDataException](https://developer.rhino3d.com/api/gh2/type/grasshopper2.data.twigmergemetadataexception/ctor.md)