Form - Bad Value

To return the value of a CFL and try moving to an Edit Box with the error 'Form - Bad Value'

Anyone have a suggestion?

Code:

if (pVal.EventType == SAPbouiCOM.BoEventTypes.et_CHOOSE_FROM_LIST && !pVal.Before_Action)

{

oForm = SBO_Application.Forms.Item(pVal.FormUID);

oForm.Select();

IChooseFromListEvent ichoose = (IChooseFromListEvent)pVal;

if (ichoose.ChooseFromListUID == "CFL_52")

{

oEdit = (EditText)oForm.Items.Item("Item_4").Specific;

oEdit.Value = ichoose.SelectedObjects.GetValue("ItmsGrpNam", 0).ToString();

}

}