Start method throws MissingMethodException exception

[shersh]

Describe the bug Catch exception when calling Start method

System.MissingMethodException: Method not found: 'System.Threading.Tasks.ValueTask`1<!!0> Orleans.Runtime.GrainReference.InvokeAsync(Orleans.Serialization.Invocation.IInvokable)'.
   at OrleansCodeGen.Orleans.SyncWork.Proxy_ISyncWorker`2.global::Orleans.SyncWork.ISyncWorker<TRequest,TResult>.Start(TRequest arg0)

[Kritner]

Can you provide more info? Calling code example, ideally a repro, version you're using, etc?

[DanSmith]

I had a similar issue, and updated the Microsoft.Orleans.Server package reference from 7.0.0 to the version I am using, 7.2.1, and it resolved the issue.