Hibernate version: Nhibernate 1.0.2.0

Mapping documents:

Code between sessionFactory.openSession() and session.close():

ISession session = AccessBD.openSession();
ITransaction tx = session.BeginTransaction();
IList users = session.CreateCriteria(typeof(User)).List();
tx.Commit();
session.Close();
return users;

Full stack trace of any exception that occurs:
null index column for collection: PFC_Portal.DataModel.User.SubscriptionsByTime

" at NHibernate.Collection.AbstractCollectionPersister.ReadIndex(IDataReader rs, ISessionImplementor session)\r\n at NHibernate.Collection.ArrayHolder.ReadFrom(IDataReader rs, ICollectionPersister persister, Object owner)\r\n at NHibernate.Loader.Loader.ReadCollectionElement(Object optionalOwner, Object optionalKey, IDataReader rs, ISessionImplementor session)\r\n at NHibernate.Loader.Loader.GetRowFromResultSet(IDataReader resultSet, ISessionImplementor session, QueryParameters queryParameters, IList hydratedObjects, Object optionalObject, Object optionalId, Key[] keys, Boolean returnProxies)\r\n at NHibernate.Loader.Loader.DoQuery(ISessionImplementor session, QueryParameters queryParameters, Object optionalObject, Object optionalId, Object[] optionalCollectionKeys, Boolean returnProxies)\r\n at NHibernate.Loader.Loader.DoQueryAndInitializeNonLazyCollections(ISessionImplementor session, QueryParameters queryParameters, Object optionalObject, Object optionalId, Object[] optionalCollectionKeys, Boolean returnProxies)\r\n at NHibernate.Loader.Loader.LoadCollection(ISessionImplementor session, Object[] ids, IType[] types)\r\n at NHibernate.Loader.Loader.LoadCollection(ISessionImplementor session, Object id, IType type)\r\n at NHibernate.Loader.OneToManyLoader.Initialize(Object id, ISessionImplementor session)\r\n at NHibernate.Collection.AbstractCollectionPersister.Initialize(Object key, ISessionImplementor session)\r\n at NHibernate.Impl.SessionImpl.InitializeCollection(PersistentCollection collection, Boolean writing)\r\n at NHibernate.Impl.SessionImpl.GetCollection(String role, Object id, Object owner)\r\n at NHibernate.Type.PersistentCollectionType.ResolveIdentifier(Object value, ISessionImplementor session, Object owner)\r\n at NHibernate.Impl.SessionImpl.InitializeEntity(Object obj)\r\n at NHibernate.Loader.Loader.InitializeEntitiesAndCollections(IList hydratedObjects, Object resultSetId, ISessionImplementor session)\r\n at NHibernate.Loader.Loader.DoQuery(ISessionImplementor session, QueryParameters queryParameters, Object optionalObject, Object optionalId, Object[] optionalCollectionKeys, Boolean returnProxies)\r\n at NHibernate.Loader.Loader.DoQueryAndInitializeNonLazyCollections(ISessionImplementor session, QueryParameters queryParameters, Object optionalObject, Object optionalId, Object[] optionalCollectionKeys, Boolean returnProxies)\r\n at NHibernate.Loader.Loader.DoList(ISessionImplementor session, QueryParameters queryParameters)\r\n at NHibernate.Loader.Loader.List(ISessionImplementor session, QueryParameters queryParameters, ISet querySpaces, IType[] resultTypes)\r\n at NHibernate.Loader.CriteriaLoader.List(ISessionImplementor session)\r\n at NHibernate.Impl.SessionImpl.Find(CriteriaImpl criteria)\r\n at NHibernate.Impl.CriteriaImpl.List()\r\n at PFC_Portal.SR.BusinessLayer.UsersManager.getAllUsers() in D:\\ModelData_NHibernate\\SRModel\\SRBusinessLayer\\UsersManager.cs:line 132\r\n at PFC_Portal.SR.Presentation.Menu.buttonListAllUsers_Click(Object sender, EventArgs e) in D:\\ModelData_NHibernate\\SRModel\\SRPresentation\\Menu.cs:line 298\r\n at System.Windows.Forms.Control.OnClick(EventArgs e)\r\n at System.Windows.Forms.Button.OnClick(EventArgs e)\r\n at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)\r\n at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)\r\n at System.Windows.Forms.Control.WndProc(Message& m)\r\n at System.Windows.Forms.ButtonBase.WndProc(Message& m)\r\n at System.Windows.Forms.Button.WndProc(Message& m)\r\n at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)\r\n at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)\r\n at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)\r\n at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)\r\n at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData)\r\n at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)\r\n at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)\r\n at System.Windows.Forms.Application.Run(Form mainForm)\r\n at PFC_Portal.SR.Presentation.Program.Main(String[] args) in D:\\ModelData_NHibernate\\SRModel\\SRPresentation\\Program.cs:line 18\r\n at System.AppDomain.nExecuteAssembly(Assembly assembly, String[] args)\r\n at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)\r\n at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()\r\n at System.Threading.ThreadHelper.ThreadStart_Context(Object state)\r\n at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)\r\n at System.Threading.ThreadHelper.ThreadStart()"

Name and version of the database you are using:

SQL Server 2005

I am using arrays but when i use with the one-to-many clause i can put data correctly, but i am unable get all users. Why is this hapenning? What is the use of the index in the arrays? Where should they be mapped to???

Thank you.