IEnumerable<PogSectionGroup> sectionGroups = null;
            var qrySections =                em.ProjectPOGs.Where(                        p => p.ProjectID == project.ProjectID &&                             p.PogType == (int)sectionPogType)                    .OrderBy(p => p.SFFDecrementNum)                    .GroupBy(p => p.POGID)                    .Select(p => new PogSectionGroup { PogID = p.Key, Sections = p });            return qrySections.ExecuteAsync(op => sectionGroups = op.Results);The code fails when it references op.Results, with the error: 
		The Remote server returned an error: NotFound

PogSectionGroup is a POCO class that is compiled both in a serverside-referenced domain model, 
and client-side referenced domain model (SL dll):

    [DataContract]    public class PogSectionGroup : IHasEntityAspect, IKnownType    {        public enum SectionSortMetricType        {            VPE,            VPEperSFF        }         [Key]        public int PogID { get; set; }         [DataMember]        public IEnumerable<ProjectPOG> Sections { get; set; }         private ProjectPOG _currentSection;        private int _currentIdx;         public static SectionSortMetricType SectionSortMetric(Enums.OptimizationBasis optBasis)        {            Debug.Assert(optBasis != Enums.OptimizationBasis.UnknownOptimization);            return (optBasis == Enums.OptimizationBasis.IncrementVPEperSKU ||                    optBasis == Enums.OptimizationBasis.NonIncrementVPEperSKU)                       ? SectionSortMetricType.VPE                       : SectionSortMetricType.VPEperSFF;        }         public bool MustKeepSection(int projectLastDelPriority, ProjectConstraint constraint)        {            return _currentSection.MustKeepSection(projectLastDelPriority, constraint);        }         public void Reset()        {            _currentIdx = 0;            _currentSection = Sections.ElementAt(_currentIdx);        }         public ProjectPOG NextSection()        {            ProjectPOG nextSec = _currentSection;            _currentSection = null;            _currentIdx++;            if (_currentIdx < Sections.Count()) _currentSection = Sections.ElementAt(_currentIdx);            return nextSec;        }         [ReadOnly(true)]        [IgnoreDataMember]        public int BestItemDelPriority { get { return Convert.ToInt32(_currentSection.BestItemDelPrio); } }         [ReadOnly(true)]        [IgnoreDataMember]        public double VPEperSFF { get { return _currentSection.VPEperSFF; } }         [ReadOnly(true)]        [IgnoreDataMember]        public double VPE { get { return Convert.ToDouble(_currentSection.VPE_CUR); } }         [IgnoreDataMember]        public EntityAspect EntityAspect { get; set; }      }
 
 
I do not have a POCO service provider for this POCO class,
 but even if I add one, I still get the error
 
Any ideas?  
 
Thanks,