The parameters dictionary contains a null entry for parameter 'type' of non-nullable type 'System.Int32' for method 'System.Web.Mvc.ActionResult Viewer(Int32, Int32, System.String)' in 'PrimeGov.LegislativeManagement.Web.Controllers.PortalController'. An optional parameter must be a reference type, a nullable type, or be declared as an optional parameter. Parameter name: parameters