# MigrationException class

Namespace: [Grasshopper2.Doc.Migration](https://developer.rhino3d.com/api/gh2/namespace/grasshopper2.doc.migration.md) · Assembly: [Grasshopper2](https://developer.rhino3d.com/api/gh2/assembly/grasshopper2.md)

```cs
public sealed class MigrationException : Exception
```

Exception used for migration failure messaging.

## Constructors

- [MigrationException](https://developer.rhino3d.com/api/gh2/type/grasshopper2.doc.migration.migrationexception/ctor.md)