[NullReferenceException: Object reference not set to an instance of an object.]

MicroFour.StrataFrame.Business.BusinessBindingSource.BusinessObject_CurrentView_ListChanged(Object sender, ListChangedEventArgs e) +30

System.ComponentModel.ListChangedEventHandler.Invoke(Object sender, ListChangedEventArgs e) +0

System.Data.DataView.OnListChanged(ListChangedEventArgs e) +356

System.Data.DataView.IndexListChanged(Object sender, ListChangedEventArgs e) +27

System.Data.DataView.IndexListChangedInternal(ListChangedEventArgs e) +75

System.Data.DataViewListener.IndexListChanged(ListChangedEventArgs e) +60

System.Data.Index.b__2(DataViewListener listener, ListChangedEventArgs args, Boolean arg2, Boolean arg3) +6

System.Data.Listeners`1.Notify(T1 arg1, T2 arg2, T3 arg3, Action`4 action) +149

System.Data.Index.OnListChanged(ListChangedEventArgs e) +164

System.Data.Index.OnListChanged(ListChangedType changedType, Int32 newIndex, Int32 oldIndex) +57

System.Data.Index.RecordStateChanged(Int32 oldRecord, DataViewRowState oldOldState, DataViewRowState oldNewState, Int32 newRecord, DataViewRowState newOldState, DataViewRowState newNewState) +230

System.Data.DataTable.RecordStateChanged(Int32 record1, DataViewRowState oldState1, DataViewRowState newState1, Int32 record2, DataViewRowState oldState2, DataViewRowState newState2) +151

System.Data.DataTable.SetNewRecordWorker(DataRow row, Int32 proposedRecord, DataRowAction action, Boolean isInMerge, Int32 position, Boolean fireEvent, Exception& deferredException) +4818040

System.Data.DataTable.SetNewRecord(DataRow row, Int32 proposedRecord, DataRowAction action, Boolean isInMerge, Boolean fireEvent) +40

System.Data.DataRow.SetNewRecord(Int32 record) +21

System.Data.DataRow.EndEdit() +4816925

System.Data.DataRow.set_Item(DataColumn column, Object value) +338

System.Data.DataRow.set_Item(String columnName, Object value) +24

MicroFour.StrataFrame.Data.DataBasics.InitializeNewRow(DataRow NewDataRow, StringCollection IgnoredFields, Dictionary`2 FieldNativeTypes) +231

MicroFour.StrataFrame.Business.BusinessLayer.NewRow() +529

MicroFour.StrataFrame.Business.BusinessLayer.Add(Boolean CheckSecurity) +127

Vfs.Generic.UI.Web.Strataframe.Forms.DataEntryBasePage.Add(Boolean checkSecurity) +34

Vfs.Generic.UI.Web.ExtendedControls.MaintenanceToolbar.HandleMenuItemClick(Object source, MenuItemEventArgs e) +471

DevExpress.Web.ASPxMenu.ASPxMenuBase.OnItemClick(MenuItemEventArgs e) +78

DevExpress.Web.ASPxMenu.ASPxMenuBase.RaisePostBackEvent(String eventArgument) +326

DevExpress.Web.ASPxClasses.ASPxWebControl.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10

System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13

System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +175

System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1565