# RequiredFieldMissingException.RequiredFieldMissingException(string)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.requiredfieldmissingexception/) | [Constructors](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.requiredfieldmissingexception/constructors/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Exceptions.cs#L514-L516)

```csharp
public RequiredFieldMissingException(string message)
```

Initializes a new instance of the [RequiredFieldMissingException](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.requiredfieldmissingexception/) class.

### Parameters

- `message` (`string`): The message that describes the error.