SetEntitySetPageSize throw NullReferenceException on query

[NKnusperer]

I try to limit the max query count like this:

config.SetEntitySetPageSize("*", 100);

Which result in an exception:

 at DataServiceProvider.InterceptingProvider.ExecuteQuery[TElement](Expression expression) at DataServiceProvider.InterceptedQuery`1.GetEnumerator() at DataServiceProvider.DSPLinqQueryProvider.ExecuteQuery[TElement](Expression expression) at DataServiceProvider.DSPLinqQuery`1.System.Collections.IEnumerable.GetEnumerator() at System.Data.Services.WebUtil.GetRequestEnumerator(IEnumerable enumerable) at System.Data.Services.QueryResultInfo.MoveNext() at System.Data.Services.DataService`1.SerializeResponseBody(RequestDescription description, IDataService dataService, IODataResponseMessage responseMessage) at System.Data.Services.DataService`1.HandleNonBatchRequest(RequestDescription description) at System.Data.Services.DataService`1.HandleRequest()