Oleg V.

A good enough example for mutations you can find at [graphql-dotnet tests](https://github.com/graphql-dotnet/graphql-dotnet/blob/master/src/GraphQL.Tests/Execution/MutationTests.cs)

@maglub thanks a lot for sharing solutions! We're using "root", but still encountering the same issue. However, if I understand your correctly - we' shouldn't!? In the master Play: ```...

@maglub thanks a lot for detailed explanation and eventually found solution (I didn't try it yet, but read the above). Let's me pls to summarize: 1. It's need to install...