# OrleansTransactionServiceNotAvailableException.OrleansTransactionServiceNotAvailableException

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

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Transactions/OrleansTransactionException.cs#L249-L251)

```csharp
public OrleansTransactionServiceNotAvailableException()
```