[InvalidOperationException: The cast to value type 'Int32' failed because the materialized value is null. Either the result type's generic parameter or the query must use a nullable type.]
System.Data.Common.Internal.Materialization.ErrorHandlingValueReader`1.GetValue(DbDataReader reader, Int32 ordinal) +177
lambda_method(Closure , Shaper ) +52
System.Data.Common.Internal.Materialization.Coordinator`1.ReadNextElement(Shaper shaper) +305
System.Data.Common.Internal.Materialization.SimpleEnumerator.MoveNext() +88
System.Linq.Enumerable.Single(IEnumerable`1 source) +165
KTFF_MVC.Controllers.KTFFLiglerController.fiksturvepuancetveli(Int32 id, Nullable`1 sid, Nullable`1 hid, Nullable`1 tid, Nullable`1 fikstür, Nullable`1 puancetveli, Nullable`1 puantablosu) in C:\KTFF_MVC\KTFF_MVC\Controllers\KTFFLiglerController.cs:612
lambda_method(Closure , ControllerBase , Object[] ) +521
System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +280
System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +35
System.Web.Mvc.<>c__DisplayClass15.<InvokeActionMethodWithFilters>b__12() +80
System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) +454
System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +658
System.Web.Mvc.Controller.ExecuteCore() +143
System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +91
System.Web.Mvc.<>c__DisplayClassb.<BeginProcessRequest>b__5() +57
System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +25
System.Web.Mvc.<>c__DisplayClasse.<EndProcessRequest>b__d() +36
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +602
System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +128
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