System.ArgumentException: GenericArguments[0], 'SAPHub.Messages.OperationCommand', on 'SAPHub.Connector.FailedMessageHandler`1[T]' violates the constraint of type 'T'.
---> System.TypeLoadException: GenericArguments[0], 'SAPHub.Messages.OperationCommand', on 'SAPHub.Connector.FailedMessageHandler`1[T]' violates the constraint of type parameter 'T'.
at System.RuntimeTypeHandle.Instantiate(Type[] inst)
at System.RuntimeType.MakeGenericType(Type[] instantiation)
--- End of inner exception stack trace ---
at System.RuntimeType.ValidateGenericArguments(MemberInfo definition, RuntimeType[] genericArguments, Exception e)
at System.RuntimeType.MakeGenericType(Type[] instantiation)
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteFactory.TryCreateOpenGeneric(ServiceDescriptor descriptor, Type serviceType, CallSiteChain callSiteChain, Int32 slot)
at Microsoft.Extensions.DependencyInjection.ServiceLookup.CallSiteFactory.TryCreateEnumerable(Type serviceType, CallSiteChain callSiteChain)
a
