Visual studio 2015: build failed

Hi , ok it compiled But

doesn´t work as before :((((

in the Debugger it failed on Step like

 Any Idea what is maybe wrong here ?

 thanx br

public IQueryable<Claim> Claims
        {
            get
            {
                return this.GetAll<Claim>();
            }
        }

 {"Both types,'ProjectModel.Aspect','ProjectModelModel.Aspect',participating in a bi-directional association are explicitly set to be persisted after each other. This is an invalid setup."}

 And the Stack

bei OpenAccessRuntime.ExceptionWrapper.Throw()
   bei OpenAccessRuntime.storagemanager.StorageManagerFactoryBuilder.createSmfForURL()
   bei OpenAccessRuntime.storagemanager.StorageManagerFactoryBuilder.createStorageManagerFactory()
   bei OpenAccessRuntime.DataObjects.PersistenceManagerFactoryImp.createStorageManagerFactory()
   bei OpenAccessRuntime.DataObjects.PersistenceManagerFactoryBase.init()
   bei OpenAccessRuntime.DataObjects.PersistenceManagerFactoryImp.init()
   bei OpenAccessRuntime.DataObjects.BootstrapPMF.getPersistenceManagerFactory(PropertySet props)
   bei OpenAccessRuntime.Helper.getPersistenceManagerFactory(PropertySet props)
   bei OpenAccessRuntime.DatabaseAdapter.AssertPersistenceManagerFactory(String usr, String password, Boolean open)
   bei OpenAccessRuntime.DatabaseAdapter.GetObjectScope(TransactionProvider provider)
   bei Telerik.OpenAccess.Database.GetObjectScope(TransactionProvider provider)
   bei Telerik.OpenAccess.OpenAccessContextBase.GetScope()
   bei Telerik.OpenAccess.OpenAccessContext.GetAllCore[T]()
   bei Telerik.OpenAccess.OpenAccessContext.GetAll[T]()
   bei ProjectModel.GapJunctionEntitiesModel.get_Claims() in D:\Projekte\ANARIZ\VStudio\Project\ProjectModel\EntitiesModel.cs:Zeile 1003.
   bei ProjectApplication.ViewModels.ClaimListViewModel.EntityObj(ProjectEntitiesModel context) in D:\Projekte\ANARIZ\VStudio\Project\ProjectApplication\ViewModels\Generated\ClaimListViewModel.generated.cs:Zeile 59.
   bei ProjectInfrastructure.ViewModel.ProjectViewModelGrid`4.RetrieveData() in D:\Projekte\ANARIZ\VStudio\Project\ProjectInfrastructure\ViewModel\ProjectViewModelGrid.cs:Zeile 314.
   bei ProjectInfrastructure.ViewModel.ProjectViewModelGrid`4.OnNavigatedTo(NavigationContext navigationContext) in D:\Projekte\ANARIZ\VStudio\Project\ProjectInfrastructure\ViewModel\ProjectViewModelGrid.cs:Zeile 175.
   bei Prism.Regions.RegionNavigationService.<>c__DisplayClass28_0.<ExecuteNavigation>b__0(INavigationAware n)
   bei Prism.Common.MvvmHelpers.ViewAndViewModelAction[T](Object view, Action`1 action)
   bei Prism.Regions.RegionNavigationService.ExecuteNavigation(NavigationContext navigationContext, Object[] activeViews, Action`1 navigationCallback)