# OrleansOrphanCallException

Package: [Microsoft.Orleans.Transactions](/orleans/docs/api/csharp/microsoft.orleans.transactions/) 10.0.0

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Transactions) | [Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Transactions/OrleansTransactionException.cs#L210)

```csharp
[Orleans.GenerateSerializer]
public sealed class OrleansOrphanCallException : OrleansTransactionAbortedException
```

Signifies that the executing transaction has aborted because a method did not await all its pending calls.

## Constructors

- [OrleansOrphanCallException(string, int)](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleans.transactions.orleansorphancallexception/constructors/constructor-string-int-ec261efe/)